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學(xué)習(xí)快評丨久久99精品久久久久久久久久

2025-03-25 05:33:21 來源:新華網(wǎng)

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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??(ge)開??(kai)關(guān)??(guan)、一??(yi)個??(ge)滑??(hua)動??(dong)變??(bian)阻?(zu)器??(qi)和??(he)一??(yi)個??(ge)電??(dian)流??(liu)表??(biao)??。??現(xiàn)??(xian)在??(zai)在??(zai)這??(zhe)個??(ge)電??(dian)路??(lu)里??(li)接??(jie)了??(le)一?(yi)個??(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)??,閉祝(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)???! √??(tai)州??(zhou)市??(shi)長?(chang)江??(jiang)西??(xi)路??(lu)消??(xiao)防?(fang)救??(jiu)援??(yuan)站??(zhan)裝??(zhuang)備??(bei)維??(wei)護??(hu)員?(yuan) 高??(gao)潤??(run)輝??(hui):風(fēng)??(feng)箏??(zheng)線?(xian)細??(xi)小?(xiao)不??(bu)易??(yi)被??(bei)發(fā)??(fa)現(xiàn)??(xian)??,飄??(piao)在??(zai)空??(kong)中??(zhong)就??(jiu)是??(shi)一??(yi)把??(ba)隱??(yin)形??(xing)的??(de)利??(li)刃??(ren)??。??風(fēng)??(feng)速??(su)越??(yue)大?(da)??,風(fēng)??(feng)箏??(zheng)線??(xian)對??(dui)人??(ren)體??(ti)的??(de)沖??(chong)擊??(ji)就??(jiu)越??(yue)大??(da)??,因?(yin)此??(ci)我??(wo)們??(men)在??(zai)公?(gong)園??(yuan)游??(you)玩??(wan)或??(huo)放??(fang)風(fēng)??(feng)箏??(zheng)時??(shi)要??(yao)時??(shi)刻??(ke)注?(zhu)意??(yi)觀??(guan)察??(cha)??,看??(kan)護?(hu)好?(hao)孩??(hai)童??(tong)??,遠??(yuan)離??(li)風(fēng)??(feng)箏??(zheng)線??(xian)??。。

責任編輯:林斯崢

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