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

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词汇	purchase-block
释义	purchase-blockpurchase-block1.■起重滑车
随便看	traction motor traction motor ammeter traction motor blower traction motor heating traction motor isolating switch traction motor power supply system traction motor voltmeter traction mower traction of pelvis along the longitudinal axis traction orthodontic treatment traction permeameter traction phenomena traction reactor traction reduction traction resistance traction return current circuits traction return current rail traction rod traction roll traction rope traction rope sleeve traction shovel traction speed control lever traction speed lever traction splint