rotary valve device for inlet valve进气阀: intake valve; admission valv ...转: revolve; rotate; turn; swive ...阀: established house or power g ...机构: mechanism排气阀转阀机构: rotary valve device for exhaust valve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:进气阀转阀机构,即可在微信中查询翻译