Ventilate as much as possible to completely air out the room or spill zone with outside air .
尽可能地通风，以彻底用室外空气置换房间或泄漏区域的空气。
Safety officials said it would take at least 96 hours to ventilate the mine of deadly methane gas to make it safe for search crews to enter .
安全官员们说，要给弥漫着甲烷这种致命气体的矿井通风至少96小时，救援人员才能安全下井搜救。
His menara umno tower on penang island was the first to use wind to ventilate its interiors and the big , corporate practices have been paying careful attention .
