- 扩散: spread; diffuse; proliferate ...
- 抽气机: air exhauster; air extracting pump; air extractor; air pump; air-bleed set; air-ejecting fan; air-extractor; aspirator; deaerator; exhaust blower; exhaust fan; exhaust unit; exhausting machine; suction gas engine; vacuum fan
- 汞汽扩散抽机: mercury vapor pump
- 抽气机房: air pump room
- 抽气机具: air extracting apparatus
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