transmission; gearbox; gearing; actuator; arranger; running gear; driving system; transmission gear; driving device; driving unit; gear-drive equipment传动: transmission; drive; driving ...装置: installation; device; appara ...传动装置;传动;啮合: gearing泵传动装置: pump drive assembly传动装置图: diagram of gears下载手机词典可随时随地查词查翻译