valveport汽: vapour steam门: entrance; exit; door; gate孔: hole; opening; aperture进汽门孔: intakeport; integral steering排汽门孔: exhaust port; exhaust wastegate; exhaustport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:汽门孔，即可在微信中查询翻译
