英语词汇“relay semiautomatic block”的读音、翻译、释义、用法及例句-开邑网

词汇	relay semiautomatic block
释义	relay semiautomatic blockrelay semiautomatic block1.■继电半自动闭塞
随便看	line editor line effect line efficiency line element line element vector line elevator line emission line emission cloud line emission nebula line encoding line end line-ending zone line-end lock line engineer line engraving line equalizer line equipment line error line escapement line etching line executive line expansion line-extender amplifier line extension line facility

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