helical duct intakemasked valve intake屏: screen式: type; style气门: air door; air valve of a tyr ...进气: air admission; admission; in ...导流屏进气: masked inlet valve intake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:导流屏式气门进气，即可在微信中查询翻译
