vacuum injection
英
美
- 抽空进样
双语例句
- The steam jetting pumps were generally used to make a vacuum in the decompression tower in a decompression distillation plant.
炼油厂减压蒸馏装置中的减压塔一般采用蒸汽喷射式抽空器来实现塔内的真空。
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