reserve drivestandby drive备用: reserve; spare; alternate; b ...传动装置: transmission; gearbox; geari ...船用传动装置: marine gearing单独传动专用传动装置: individual drive备用传动: standby drive下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:备用传动装置，即可在微信中查询翻译
