2025-03-25 23:56:13 來源:新華網(wǎng)
原標(biāo)題:中文字幕乱码久久午夜
學(xué)習(xí)快評丨qibao666888 羅??(luo)塘??(tang)高??(gao)級??(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??(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??(lai)將??(jiang)開?(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??(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??(lai)將?(jiang)開??(kai)關(guān)??(guan)斷??(duan)開??(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??(xian)接??(jie)入??(ru)電??(dian)路??(lu)??,閉??(bi)合??(he)開??(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)???! ∠??(xiao)防?(fang)提??(ti)醒??(xing)??,放??(fang)風(fēng)??(feng)箏??(zheng)時(shí)??(shi)??,要??(yao)保??(bao)持??(chi)風(fēng)??(feng)箏?(zheng)線??(xian)干??(gan)燥??(zao)??,如??(ru)遇??(yu)天??(tian)氣?(qi)變??(bian)化??(hua)??,要??(yao)及??(ji)時(shí)?(shi)收??(shou)好??(hao)風(fēng)??(feng)箏??(zheng)離?(li)開??(kai)??。??。