The pump exhaust should lead to the open air or a fume hood.抽气泵的排气管应该导向室外空旷处或导向一座通风橱.She was in a fume of impatience because she had to wait for the others.为了必须等别人,她非常不耐烦.Place the apparatus in a fume cupboard and cool t...
The utility model relates a linkage device of a cooking fume exhauster and a gas stove.一种燃气炉与抽油烟机的联动装置.The pump exhaust should lead to the open air or a fume hood.抽气泵的排气管应该导向室外空旷处或导向一座通风橱.Place the apparatus in a fume cu...