A. 接地E、线路L、屏蔽G B. 接地 N、导通端L、绝缘端G C. 接地 E、导通端L、绝缘端G D. 接地 N、通电端G、绝缘端L
A. The wheel of the bicycle fell off B. The bike was thrown away C. Bicycles were abandoned D. The bike is all right
A. 信用证业务 B. 支票 C. 货币保管 D. 金融