雷雨或暴风时禁止在信号机上作业打雷时禁止修理避雷器地线。
正确
暂无解析
WehavenoticedtheDutchproducers______ajointventureagreementwithChinesefirms.
Hewouldratherdiethanlivein__________.
ASalesConfirmationshouldbecounter______signedby______.
新闻记录的是客观事物发展变化的()
Thoughshe_____andpleaded,herefusedtogotothedance.