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

词汇	upper quadrant signal
释义	upper quadrant signalupper quadrant signal1.■上向臂板信号机
随便看	multitool head multitool holder multitool lathe multitool machinging multitool machining multi-tool semiautomatic lathe multitool turning head multitooth coupling multitoothed cutter multitooth tool multitower fractionation train multitrace oscilloscope multitrack multi-track bridge multitrack function multitrack head multitrack operation multitrack railways multitrack recording system multitrack tape multitrade multi-transferring machine multitransformer spot welder Mughal mugho

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