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.
该空气输送装置具有气量调节结构；该空气输送装置包括空气泵和与 之相连的空气管，该空气管具有单独的开口通向制冷筒；
The air conveyer is provided with an air amount regulator, and includes an air pump and a connected air pipe with opening to the cooling barrel.
洗涤循环泵可由一根泵管和一根分别与泵管下部及一台微型电磁气泵输出端连通的空气管组成。
The cleaning circulation pump consists of a pump tube, an air tube respectively communicated with the lower part of the pump tube and the output terminal of a miniature electromagnetic gas pump.
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