The fracture of piston rod of new hydrogen compressionpump is studied by metallography and electron probe in this paper.
用金相显微镜和电子探针对新氢压缩机活塞杆断口进行了分析。
2
The application of concentration system with multi - effect thermal compressionpump could reduce the consumption of the steam and lower the production cost.
采用多效带压泵的浓缩系统，可大大减少加热蒸汽的消耗量，降低生产成本。
3
Straight line motor twin-tub compressionpump of the present invention is compressionpump with novel double-stator straight line motor and twin cylinder structure.