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。
To smell the gentle smoke of tea, fume of the pan, sizzling butter.
吸着茶里冒出来的柔和的水蒸气和平底锅里嗞嗞响的黄油的香气。
Fume aspirator with control pedal to operate at test end.
在实验的最后操作具有控制踏板的烟雾吸气器。
Fume aspirator with control pedal to operate at test end.
在实验的最后操作具有控制踏板的烟雾吸气器。
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