fore pump
英 [fɔː(r) pʌmp]
美 [fɔːr pʌmp]
预抽真空泵；初步抽气泵
双语例句
- Several transient simulation programs have been developed based on the models above, and were put into practice of the transient simulations of following: ( 1) autoregulation on water height of the fore bay in single pump station, and the influence of governor parameters;
本文应用上述方法编制了过渡过程仿真程序，（1）进行了单级泵站中转桨泵在线自动调节泵站前池水位的动态仿真计算，并对调节参数的影响做了比较研究； - The fore pump system improves the vacuum condition of the hydrogen maser system because applying stainless steel bellows and hoop const-ruction without large rubber tubes.
而前级真空机组由于采用了不锈钢波纹管及卡箍结构，无粗大的真空橡皮管，也改善了氢钟的真空条件。 - This paper describes the design and manufacture of the titanium vacuum bell jar and the improvement of the fore pump system for Shanghai Observatory's hydrogen maser.
本文介绍了氢钟钛合金钟罩的设计制作以及机械泵&分子泵前级真空机组的改进设计。 - Grade. the improvement of the bell jar and the fore pump system for Shanghai observatory's hydrogen maser
氢钟钟罩及前级真空机组的改进设计 - So researching the improving measures of the flow pattern in fore bay of the pump station can enhance the pump's efficiency and decrease the sediment deposition, and can also have a significant meaning to the operational guidance of pump station and the enhancing economic performance.
因此，研究泵站前池的流态改善措施，对于提高水泵的效率，降低泥沙淤积，以至于对泵站的运行管理，提高经济效益都具有重要的意义。 - Discussed is design of circuit of fore alarm and accident alarm with ruptured diaphragms-main part of crushed materials diaphragm pump by control core PLC.
采用PLC为控制核心，实现了对料浆隔膜泵主要部件&隔膜的破裂进行预报警与事故报警的电路设计。