词语pneumatic tube
解释气动导管,气动输送管
pneumatic tube〔名词〕气压传送管详细»
pneumatic tube〔名词〕气压输送管详细»
pneumatic tube气压运输管,气压管详细»
pneumatic tube气压输送管,气动风管详细»
pneumatic tube〔名词〕风动传送管详细»