计费电量不仅仅是抄见电量,还要考虑()等因素。 ["线路损耗","变压器损耗","退补电量","分表电量","定比定量","转供电量"]
支柱长度的规定?
在管线充油的情况下,要更换截止阀的填料,只要(),即可更换。 ["关闭阀门","排空管内余油","直接开盖","切断油源"]
关于井口Hi-Lo Pilot描述错误的是:() ["A、开井时Hi-Lo PILOT要旁通。","B、井口Hi-Lo Pilot仪表管路的出口通向井口控制盘。","C、井口控制盘单井控制柜接受来自相应井的Hi-Lo Pilot信号。","D、当Hi-Lo Pilot报警时,单井控制柜相应指示器由红色变为绿色。"]
一般情况下,我国远洋船舶在装运下列货物时,可接受保函(). ["贵重货物","包装损坏的货物","成套设备","低档大宗货物"]
交付完毕是指?