gear reduction unitreduction gear unit齿轮: cogwheel; gear wheel wheel-l ...减速: moderate; reduce the speed; ...设备: equipment; device; facility; ...齿轮减速: gear reducing齿轮减速比: gear reduction rate; gear reduction ratio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:齿轮减速设备，即可在微信中查询翻译
