英语词汇“frame type B”的读音、翻译、释义、用法及例句-语文网

词汇	frame type B
释义	frame type B B型框架一种配线框架，其一边（垂直）装上所有外部线及这些线路的保护装置，另一边（水平）装有外部线路通向中心局设备的所有连接器。
随便看	operation operational operational amplifier operational character operational diskette operational environment operationalism operational key operational label operationally operational pars of exchange operational relay operational research operational sign operational standby program operational unit operation code operation console operation control operation control statement operation cycle operation decoder operation expression operation manual operation mode

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