indicator telegraph的中文,翻译,解释,例句
indicator telegraph
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engine telegraph order indicator:车钟指示器
engine telegraph logger 主机传令钟记录器 | engine telegraph order indicator 车钟指示器 | engine telegraph receiver 车钟接受器
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engine telegraph order indicator:俥令指示器
engine telegraph alarm 俥钟警报 | engine telegraph order indicator 俥令指示器 | engineering ship 工程船