differential gear train差动: differential action; differe ...齿轮: cogwheel; gear wheel wheel-l ...机构: mechanism传动齿轮机构: drive gear mechanism滑动齿轮机构: sliding gear emchanism; sliding gear mechanism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:差动齿轮机构，即可在微信中查询翻译
