进气歧管真空man: n. (pl. men ) 1.〔无冠词、单数〕人,人类 ...manifold: adj. 1.许多的;种种的,多样的,多方面的,五花八门 ...vacuum: n. (pl. vacuums, vac-ua ) 1. ...vac vacuum: 真空sole-vac solenoid vacuum: 电磁阀真空下载手机词典可随时随地查词查翻译