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學(xué)習(xí)快評(píng)丨qibao666888　　羅??(luo)塘??(tang)高??(gao)級(jí)??(ji)中?(zhong)學(xué)??(xue) 劉??(liu)老??(lao)師??(shi)：我??(wo)們??(men)現(xiàn)??(xian)在??(zai)所??(suo)用??(yong)到??(dao)的??(de)器??(qi)材??(cai)是??(shi)一??(yi)節(jié)??(jie)干??(gan)電??(dian)池??(chi)、一??(yi)個(gè)??(ge)開(kāi)??(kai)關(guān)??(guan)、一??(yi)個(gè)??(ge)滑??(hua)動(dòng)??(dong)變??(bian)阻??(zu)器??(qi)和??(he)一??(yi)個(gè)??(ge)電??(dian)流??(liu)表??(biao)??。?現(xiàn)??(xian)在??(zai)在??(zai)這??(zhe)個(gè)??(ge)電??(dian)路?(lu)里??(li)接??(jie)了??(le)一??(yi)個(gè)??(ge)干??(gan)燥?(zao)的??(de)風(fēng)??(feng)箏??(zheng)線?(xian)??，接??(jie)下??(xia)來(lái)??(lai)將??(jiang)開(kāi)??(kai)關(guān)??(guan)閉??(bi)合?(he)??，可??(ke)以??(yi)看??(kan)到??(dao)電??(dian)流??(liu)表??(biao)的??(de)示??(shi)數(shù)??(shu)仍??(reng)然??(ran)為??(wei)0??。說(shuō)??(shuo)明??(ming)在??(zai)干?(gan)燥??(zao)環(huán)??(huan)境??(jing)下??(xia)??，風(fēng)?(feng)箏??(zheng)線??(xian)是?(shi)不??(bu)導(dǎo)??(dao)電??(dian)的??(de)??。接?(jie)下??(xia)來(lái)??(lai)將??(jiang)開(kāi)??(kai)關(guān)??(guan)斷??(duan)開(kāi)??(kai)??，取??(qu)下??(xia)干??(gan)燥??(zao)的??(de)風(fēng)?(feng)箏?(zheng)線??(xian)??，將??(jiang)這??(zhe)根??(gen)風(fēng)??(feng)箏??(zheng)線?(xian)泡??(pao)入??(ru)含?(han)有??(you)雜??(za)質(zhì)??(zhi)的?(de)水??(shui)中??(zhong)??，再??(zai)將??(jiang)它??(ta)取?(qu)出??(chu)??。然??(ran)后??(hou)將??(jiang)浸??(jin)滿??(man)水??(shui)的??(de)風(fēng)??(feng)箏??(zheng)線秘(xian)接??(jie)入??(ru)電??(dian)路??(lu)??，閉??(bi)合??(he)開(kāi)??(kai)關(guān)??(guan)??，可??(ke)以??(yi)發(fā)??(fa)現(xiàn)??(xian)電??(dian)流??(liu)表??(biao)的??(de)指??(zhi)針??(zhen)有??(you)了??(le)明??(ming)顯??(xian)偏??(pian)轉(zhuǎn)??(zhuan)???！　〈??(ci)外??(wai)?，潮??(chao)濕??(shi)天??(tian)氣??(qi)下??(xia)?，隨??(sui)風(fēng)??(feng)飄??(piao)動(dòng)??(dong)的??(de)風(fēng)??(feng)箏??(zheng)?，一??(yi)旦??(dan)靠?(kao)近??(jin)或??(huo)者?(zhe)接??(jie)觸??(chu)到??(dao)高??(gao)壓??(ya)線??(xian)路??(lu)?，不??(bu)僅??(jin)容??(rong)易??(yi)造??(zao)成?(cheng)人??(ren)身??(shen)傷??(shang)害??(hai)?，還??(hai)極??(ji)易??(yi)引??(yin)發(fā)??(fa)線??(xian)路??(lu)短??(duan)路??(lu)、跳??(tiao)閘??(zha)等??(deng)安??(an)全??(quan)事??(shi)故?(gu)??。?。