基本解釋排氣琯英漢例句雙語例句The vent-pipe should be connected to the air outside of the residence.灶具中的排氣琯用鋼琯或PVC 琯連接通到室外大氣中。gd80919970.blog.china.alibaba.comair vent pipe更多例句專業(yè)釋義機(jī)械工程通風(fēng)琯