The fracture of piston rod of new hydrogen compression pump 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。
The application of concentration system with multi - effect thermal compression pump 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。
Straight line motor twin-tub compression pump of the present invention is compression pump with novel double-stator straight line motor and twin cylinder structure.
本发明所述的直线电机双缸压缩泵，是在压缩泵内设置了新型的双定子直线电机和与之相配的双汽缸结构。
Straight line motor twin-tub compression pump of the present invention is compression pump with novel double-stator straight line motor and twin cylinder structure.
本发明所述的直线电机双缸压缩泵，是在压缩泵内设置了新型的双定子直线电机和与之相配的双汽缸结构。
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