semi-automatic bevel gear tester with digital display
【运输】用于提升,拖曳,绞的齿轮，起重机.绞车
gear for lifting, hauling, hoisting cranes, winches
暂无补充释义。
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angle ratio curve of steering gear【车辆】
oval gear flowmeter【仪】;oval wheel flowmeter【仪】
Bollinckx valve-gear
coupler and draft gear【铁路】
gear casing
gear backlash【机】
two-stage harmonic gear drive【机】