“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	pneumatic modular system for automatic control pneumatic nebulizer pneumatic pipe collection system pneumatic power transmission pneumatic pruner pneumatic pump pneumatic pump-fed liquid rocket engine pneumatic rabbit pneumatic regulatory systems pneumatic rock drill pneumatics pneumatic seed-metering device pneumatic separation pneumatic servos pneumatic servo system pneumatic ship unloader pneumatic sprayer pneumatic suction pneumatic system pneumatic thrust vector pneumatic-to-current converter pneumatic transfer sample pneumatic transport pneumatic vibration machine pneumatized

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