【单选题】电力线缆线路进行施工挖掘时,专责人必须到场( )
【单选题】The largest bell tower in Xi’an built in dynasty.
【简答题】电力电缆线路进行施工挖掘时,专责人必须到现场()。 A.进行操作 B.进行指挥 C.进行监护
【简答题】A.In the Qing Dynasty. B.In the 19th Century. C.In the Song Dynasty. D.In the 16th Century.
【判断题】电力电缆线路在进行施工挖掘时,专责人必须到现场进行操作。()
【单选题】电力电缆线路进行施工挖掘时,专责人必须到现场()。
【判断题】The custom of pasting spring couplets began in Song Dynasty and became popular in Ming Dynasty.
【判断题】双积分式DVM中变化结果与积分器积分元件RC有关,但其积分器线性不好也不会引起测量误差。( )