A.努力超越,追求卓越 B.以人為本,忠誠(chéng)企業(yè),奉獻(xiàn)社會(huì) C.電網(wǎng)堅(jiān)強(qiáng),資產(chǎn)優(yōu)良,服務(wù)優(yōu)質(zhì),業(yè)績(jī)優(yōu)秀 D.建設(shè)一流人才隊(duì)伍,實(shí)施大科研,創(chuàng)造大成果,培育大產(chǎn)業(yè)
A.50HzB.25HzC.150HzD.100Hz
A.正常時(shí)觸點(diǎn)斷開 B.繼電器線圈帶電時(shí)觸點(diǎn)斷開 C.繼電器線圈不帶電時(shí)觸點(diǎn)斷開 D.繼電器動(dòng)作時(shí)觸點(diǎn)斷開