常見例句雙語例句This equipment is 480E, CAC480, detection UR479 pump shell air-tightness, such as the equipment belong to automatic double-position air-tightness dry sorting machines.該設(shè)備是檢測480E、CAC480、UR479等水泵殼躰的氣密性，此設(shè)備屬於全自動雙工位氣密性乾檢機(jī)。www.yz-z.com 返回 dry-air pump