third gearthird speed gear三: three第三档: third三档齿轮: rd gear; three-range transmission三档分选: three way sort; threewaysort三档计时器: three-type counter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:三档,即可在微信中查询翻译