英语词汇“approach obstruction signal”的读音、翻译、释义、用法及例句-开邑网

词汇	approach obstruction signal
释义	approach obstruction signalapproach obstruction signal1.■遮断预告信号机
随便看	overhead driving gear overhead drum overhead earth wire overhead eccentric-jaw crusher overhead expenditure overhead expenses overhead feeder overhead feed hopper overhead fillet weld overhead filling rack overhead frame plow overhead girder overhead grabbing crane overhead grinding machine overhead ground wire overhead guard overhead ice bunker overhead illumination overhead ingot turning and weighing machine overhead inversion overhead irrigating machine overhead irrigation overhead isolator overhead junction crossing overhead junction knuckle

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