Requiring an operator in order to function("a manual exchange"; "a manual executive").
说明为了正常操作需要有操作人员的工作（如人工交换、人工执行）。
Requiring an operator in order to function (" a manual exchange "; "a manual executive").
说明为了正常操作需要有操作人员的工作(如人工交换、人工执行)。
An operator wearing earphone was sitting in the telephone exchange.
戴耳机的接线员正坐在总机室里。
An operator wearing earphone was sitting in the telephone exchange.
戴耳机的接线员正坐在总机室里。
应用推荐