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抽气泵的排气管应该导向室外空旷处或导向一座通风橱。
The pump exhaust should lead to the open air or a fume hood.
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本抽气器内顺次设置扩散管、混合室、排气管。
The air exhauster has diffusion pipe, mixing chamber and exhaust pipe successively.
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本抽气器内顺次设置扩散管、混合室、排气管。
The air exhauster has diffusion pipe, mixing chamber and exhaust pipe successively.
youdao