真空脱水 meaning in Chinese

vacuum dehydrating
vacuum dewatering

Testing method of concrete vacuum dewatering facilities
混凝土真空脱水装置.试验方法
Specifications for concrete vacuum dewatering facilities
混凝土真空脱水装置.技术条件
Manufactures vortex tubes and vortex tube systems . compressed air products for cooling , cleaning , conveying and static elimination
-制造旋片式滑阀式往复式水环式罗茨式等系列真空泵和真空脱水机组。