正确答案: A
半电子式
题目:下列不属于机电式自动电话交换机类型的是______。
解析:A
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学习资料的答案和解析:
[单选题]It’s getting dark. Please ________ the cargo lights.
turn on
[单选题]"ERIKA"油船在法国西海岸发生重大油污事故后,IMO迅速果断地对MARPOL73/78附则Ⅰ第13G条再次作出修正;并引入______。
CAS
[单选题]STCW78/95 Convention describes that _____ are laid down for the certification of engineer officers in charge of a watch in a traditionally manned engine room, or the designated engineer in a periodically unmanned engine room.
mandatory minimum requirements
[单选题]离心泵输水温度变化时,对( )有明显影响。
有效汽蚀余量
[单选题]柴油机进、排气阀正时的规律是()
早开,晚关