rear pump driving gear后: behind; back; rear泵: pump从动齿轮: driven gear; follower gear前泵从动齿轮: front pumdriven gear油泵从动齿轮: oil pump driven gear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:后泵从动齿轮，即可在微信中查询翻译
