masked valve

valve 阀门专业词汇A-Z ... Marshall valve gear 马歇尔阀装置 masked valve 屏蔽式阀 mass-transfer valve plate 传质浮阀塔盘 ...

导气屏式气门,masked... ... ) masked valve 导气屏式气门 ) masked valve intake 导流屏式气门进气 ...