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學(xué)習(xí)快評(píng)丨亚洲青春草原在线播放

2025-03-25 21:09:23 來(lái)源:新華網(wǎng)

原標(biāo)題:亚洲青春草原在线播放

學(xué)習(xí)快評(píng)丨qibao666888  此??(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)??。??  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(mǎn)??(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(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)??。。

責(zé)任編輯:林斯崢

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