◎ 排气 páiqì
(1) [ventilate]∶使新鲜空气循环流过,同时将污染的或弄脏了的空气从(如房间或矿井)抽出
强力鼓风机给长通道排气
(2) [atmosphere;air]∶排出空气;通风
水箱以单管排气

1.{机} exhaust; aerofluxus; air-out; exit gas; ventilate; atmosphere; vent