“hand operated chain and lever block”的概念、定义、翻译、参考文献-科学参考

单词	hand operated chain and lever block
释义	hand operated chain and lever block Encyclopedia 工学〔轻小型起重设备〕释 hand operated chain and lever block手动葫芦通过人力拉动链条或扳动手柄来提升或牵引重物的轻小型起重设备。
随便看	transmissive character transmissive display transmissive optical system transmissivity transmissometer transmit transmit an order from above transmit Buddhist doctrines Transmittance transmittance transmittance-exposure curve transmittance of optical elements and optical system transmittancy transmitted frequency band transmitter transmitter/receiver module transmitting antenna transmitting diffusing screen transmitting ratio transmitting tissue transmitting transducer transmitting tube transmitting voltage response Transmitting without Making-up transmittivity

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