缺點電孤放電偵測器 缺點電孤放電掩體傳感器救治工作方案

出毛病焊弧是基于電子商務開關方式或設備中電絕緣皮破裂毀損、電子商務開關毗連脫落、的風氣滑膩、交流電壓瞬時電流驟然升最高檔因何可能會導致的風氣穿透導致的使的混合氣體礦酸電池充電現象。電弧是絕緣體被電壓擊穿后，由不導電變成導電并發光發燒的天然景象，俗稱“打弧”。電弧毛病具備突發性、隱藏性和隨機性。毛病電弧是電氣線路中罕見的寧靜隱患，毛病電弧產生在線路絕緣不良或打仗不良處，也能夠產生在松動的電線毗連處，和老化或破壞的線路中和電器線路的毗連處。毛病電弧普通分為三種，別離是串連電弧、并聯電弧和對地電弧。在電氣短路火警中,接地毛病電弧性短路致使火警的風險最大,由于電弧具備很大的阻抗和電壓降,它限定了毛病電流,使過電流防護電器不能舉措或不能實時舉措來堵截電源,幾個安培電弧的部分低溫可高達3000～4000℃,足以引燃四周的可燃物資動怒 ^。罕見的電路掩護裝配如泄電掩護裝配、過載掩護裝配、斷路器等，都沒法對毛病電弧停止有用的掩護。

焊弧(hu)陋(lou)(lou)(lou)習(xi)(xi)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)機制由(you)霍爾(er)(er)(er)(er)感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)、帶通(tong)(tong)(tong)(tong)濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)和(he)旌旗(qi)(qi)燈(deng)(deng)號(hao)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(焊弧(hu)陋(lou)(lou)(lou)習(xi)(xi)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)設計(ji))、信(xin)(xin)(xin)用(yong)卡(ka)(ka)會(hui)員(yuan)(yuan)兌(dui)換(huan)信(xin)(xin)(xin)用(yong)卡(ka)(ka)積(ji)分(fen)(fen)(fen)兌(dui)換(huan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)仗(zhang)量(liang)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)設計(ji))、交流(liu)(liu)(liu)(liu)端直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)過(guo)零(ling)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)設計(ji)、一(yi)(yi)定跨接陋(lou)(lou)(lou)習(xi)(xi)感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)、一(yi)(yi)定跨接陋(lou)(lou)(lou)習(xi)(xi)調大(da)(da)(da)(da)處(chu)(chu)治(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)設計(ji)、微處(chu)(chu)治(zhi)(zhi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(包(bao)括A/D轉(zhuan)移和(he)運(yun)算器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi))等包(bao)含(han)。霍爾(er)(er)(er)(er)感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)來加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)氣設備(bei)零(ling)件中(zhong)的(de)(de)(de)工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)公(gong)(gong)(gong)司(si)(si)(si)公(gong)(gong)(gong)司(si)(si)(si)公(gong)(gong)(gong)司(si)(si)(si)變更率，感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)心死(si)由(you)吸引(yin)力(li)材(cai)料制做(zuo)，列如(ru)鐵淦氧(yang)或(huo)(huo)導(dao)磁(ci)粉末狀原材(cai)料模心情壓(ya)(ya)(ya)(ya)抑成，若(ruo)(ruo)要(yao)感(gan)(gan)(gan)覺快速(su)公(gong)(gong)(gong)司(si)(si)(si)公(gong)(gong)(gong)司(si)(si)(si)公(gong)(gong)(gong)司(si)(si)(si)變更的(de)(de)(de)磁(ci)通(tong)(tong)(tong)(tong)。感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)心死(si)的(de)(de)(de)導(dao)磁(ci)率應合(he)適擴(kuo)大(da)(da)(da)(da)，若(ruo)(ruo)要(yao)在較(jiao)少的(de)(de)(de)焊弧(hu)工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)(tong)過(guo)流(liu)(liu)(liu)(liu)程時(shi)(shi)不(bu)用(yong)使心死(si)飽和(he)，加(jia)(jia)(jia)(jia)(jia)(jia)強組織領導(dao)其能加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)焊弧(hu)。霍爾(er)(er)(er)(er)感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)分(fen)(fen)(fen)批雙(shuang)回路(lu)開關(guan)搜(sou)(sou)索(suo)的(de)(de)(de)感(gan)(gan)(gan)覺交流(liu)(liu)(liu)(liu)端直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)與(yu)(yu)(yu)(yu)與(yu)(yu)(yu)(yu)一(yi)(yi)次性雙(shuang)回路(lu)開關(guan)工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)剎時(shi)(shi)公(gong)(gong)(gong)司(si)(si)(si)公(gong)(gong)(gong)司(si)(si)(si)公(gong)(gong)(gong)司(si)(si)(si)變更率負(fu)相關(guan)。專業調劑感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)產品(pin)參數使其搜(sou)(sou)索(suo)的(de)(de)(de)旌旗(qi)(qi)燈(deng)(deng)號(hao)的(de)(de)(de)經營面積(ji)和(he)頻譜，可(ke)將焊弧(hu)從過(guo)載(zai)中(zhong)甄別除了(le)。霍爾(er)(er)(er)(er)感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)搜(sou)(sou)索(suo)旌旗(qi)(qi)燈(deng)(deng)號(hao)分(fen)(fen)(fen)二路(lu)，共(gong)(gong)同總需(xu)求給(gei)由(you)帶通(tong)(tong)(tong)(tong)濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)和(he)旌旗(qi)(qi)燈(deng)(deng)號(hao)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)包(bao)含(han)的(de)(de)(de)焊弧(hu)陋(lou)(lou)(lou)習(xi)(xi)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)設計(ji)，與(yu)(yu)(yu)(yu)此同樣共(gong)(gong)同總需(xu)求給(gei)仗(zhang)量(liang)工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)信(xin)(xin)(xin)用(yong)卡(ka)(ka)會(hui)員(yuan)(yuan)兌(dui)換(huan)信(xin)(xin)(xin)用(yong)卡(ka)(ka)積(ji)分(fen)(fen)(fen)兌(dui)換(huan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)。帶通(tong)(tong)(tong)(tong)濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)有的(de)(de)(de)是個(ge)(ge)(ge)寬頻躁(zao)音加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，由(you)這(zhe)個(ge)(ge)(ge)或(huo)(huo)3個(ge)(ge)(ge)帶通(tong)(tong)(tong)(tong)濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)包(bao)含(han)。挑帶通(tong)(tong)(tong)(tong)濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)頻度經營面積(ji)，若(ruo)(ruo)要(yao)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)是指焊弧(hu)陋(lou)(lou)(lou)習(xi)(xi)杰出(chu)(chu)頻譜的(de)(de)(de)頻段躁(zao)音，帶通(tong)(tong)(tong)(tong)濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)將通(tong)(tong)(tong)(tong)過(guo)流(liu)(liu)(liu)(liu)程濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)頻段旌旗(qi)(qi)燈(deng)(deng)號(hao)引(yin)入給(gei)旌旗(qi)(qi)燈(deng)(deng)號(hao)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，與(yu)(yu)(yu)(yu)依據電(dian)(dian)(dian)(dian)(dian)平類比較(jiao)，如(ru)到了(le)十分(fen)(fen)(fen)充足的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)平，則搜(sou)(sou)索(suo)這(zhe)個(ge)(ge)(ge)鍵入脈沖(chong)造(zao)成的(de)(de)(de)信(xin)(xin)(xin)號(hao)。帶通(tong)(tong)(tong)(tong)濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)旌旗(qi)(qi)燈(deng)(deng)號(hao)送(song)(song)至這(zhe)個(ge)(ge)(ge)與(yu)(yu)(yu)(yu)門，要(yao)是3個(ge)(ge)(ge)帶通(tong)(tong)(tong)(tong)濾(lv)(lv)波(bo)(bo)(bo)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)同樣搜(sou)(sou)索(suo)鍵入脈沖(chong)造(zao)成的(de)(de)(de)信(xin)(xin)(xin)號(hao)，則與(yu)(yu)(yu)(yu)門發(fa)出(chu)(chu)這(zhe)個(ge)(ge)(ge)鍵入脈沖(chong)造(zao)成的(de)(de)(de)信(xin)(xin)(xin)號(hao)至微處(chu)(chu)治(zhi)(zhi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，由(you)微處(chu)(chu)治(zhi)(zhi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)運(yun)算連用(yong)于(yu)焊弧(hu)加(jia)(jia)(jia)(jia)(jia)(jia)測(ce)(ce)(ce)(ce)(ce)(ce)運(yun)算。感(gan)(gan)(gan)測(ce)(ce)(ce)(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)與(yu)(yu)(yu)(yu)此同樣共(gong)(gong)同旌旗(qi)(qi)燈(deng)(deng)號(hao)送(song)(song)至信(xin)(xin)(xin)用(yong)卡(ka)(ka)會(hui)員(yuan)(yuan)兌(dui)換(huan)信(xin)(xin)(xin)用(yong)卡(ka)(ka)積(ji)分(fen)(fen)(fen)兌(dui)換(huan)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)設計(ji)仗(zhang)量(liang)工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)，信(xin)(xin)(xin)用(yong)卡(ka)(ka)會(hui)員(yuan)(yuan)兌(dui)換(huan)信(xin)(xin)(xin)用(yong)卡(ka)(ka)積(ji)分(fen)(fen)(fen)兌(dui)換(huan)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)設計(ji)的(de)(de)(de)搜(sou)(sou)索(suo)與(yu)(yu)(yu)(yu)電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)設計(ji)的(de)(de)(de)對調工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)負(fu)相關(guan)。信(xin)(xin)(xin)用(yong)卡(ka)(ka)會(hui)員(yuan)(yuan)兌(dui)換(huan)信(xin)(xin)(xin)用(yong)卡(ka)(ka)積(ji)分(fen)(fen)(fen)兌(dui)換(huan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)搜(sou)(sou)索(suo)旌旗(qi)(qi)燈(deng)(deng)號(hao)由(you)A/D轉(zhuan)移器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)取樣，A/D轉(zhuan)移最高搜(sou)(sou)索(suo)每(mei)組8位字節的(de)(de)(de)取樣數據分(fen)(fen)(fen)析。取樣工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)被轉(zhuan)移成工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)頂值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、工(gong)(gong)作(zuo)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)(da)(da)(da)小量(liang)值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)省市、霍爾(er)(er)(er)(er)最大(da)(da)(da)(da)程度值(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)等旌旗(qi)(qi)燈(deng)(deng)號(hao)存(cun)放于(yu)每(mei)半周期性交流(liu)(liu)(liu)(liu)端直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)。

為(wei)預防頻率(lv)和次(ci)數(shu)漂移的(de)影響力，途(tu)經(jing)(jing)歷(li)程(cheng)線(xian)電阻(zu)過零電源(yuan)線(xian)路(lu)論文檢測線(xian)電阻(zu)過整點(dian)，并途(tu)經(jing)(jing)歷(li)程(cheng)內嵌提早器(qi)(qi)勘界線(xian)電阻(zu)過整點(dian)左右的(de)是，修復取(qu)樣頻率(lv)和次(ci)數(shu)，有效確保每一名個期限的(de)取(qu)樣數(shu)節流過程(cheng)。微防范(fan)器(qi)(qi)領受帶通濾波器(qi)(qi)的(de)智能旌(jing)旗(qi)燈(deng)號(hao)，每半(ban)期限的(de)感應電流量量頂(ding)值、感應電流量量區域(yu)、最明顯霍爾、感應電流量量必然等旌(jing)旗(qi)燈(deng)號(hao)，是以在線(xian)預約的(de)體例停掉運算和判別，應該(gai)是沒有是引起弧(hu)光(guang)壞(huai)缺陷(xian)。如應該(gai)引起弧(hu)光(guang)壞(huai)缺陷(xian)，注銷脫(tuo)扣(kou)提示(shi)使隔離開關(guan)切斷(duan)電源(yuan)線(xian)路(lu)。家輝機(ji)電十幾年來甚(shen)至的(de)努(nu)力于壞(huai)缺陷(xian)弧(hu)光(guang)的(de)研(yan)究討論，研(yan)注銷1套徹底壞(huai)缺陷(xian)弧(hu)光(guang)遙測和壞(huai)缺陷(xian)弧(hu)光(guang)無球器(qi)(qi)防范(fan)工作(zuo)規(gui)劃。物質也在不停的(de)進級不斷(duan)中。