请不要开泵，我们在检修！
另外，泵的密封寿命低，中开泵品种少。
具有良好的自吸性，故每次开泵前无须灌入液体。
Have good self-priming, and so every time there is no need to open before the pump filled with liquid.
但是这不可能阻止货币升值，特别是一旦石油开泵。
But that is unlikely to stop the currency's appreciation, especially once the oil starts pumping.
按下水泵“开”按钮，泵即运转；然后打开泵的吸入阀。
Press the "Start" button, the pump running, then open the suction valve of the pump.
潜水泵的工作原理：潜水泵开泵前，吸入管和泵内必须充满液体。
The working principle of submersible pumps: submersible pump pump before opening, suction pipes and pumps must be filled with liquid.
双级水平中开泵为需要适度的高水头而设计，能提供一个很宽的流量范围。
Two Stage, Horizontally Split Case Pumps designed for applications requiring moderately high head over a wide range of flows.
坐封的时候，从地面进行投球，然后，开泵驱替循环，直至投球坐入球座。
A ball is then dropped from the surface and pumped down until it seats on the tool.
以西南成品油管道泵站为例，运用动态规划的原理，解决配有调速泵的管道全线开泵方案问题。
Taking the pump station of West-South Oil Product pipeline as an example, dynamic programming theory is adopted to settle pump running problem of the whole pipeline with speed variable pumps.
之后司钻上提整个钻柱，移去卡瓦，在开泵并旋转的同时小心地下放钻柱，当钻头接触到井底之后，重新开始钻进。
The driller then picks up the entire drillstring to remove the slips, carefully lowers the drillstring while starting the pumps and rotary, and resumes drilling when the bit touches bottom.
PLC根据所采集的流量、水位、温度等条件自动控制开、停泵的台数，以确保清水供水系统的正常运行。
According to the flux, water level, temperature, etc, PLC sends out command to start or stop pumps, and keeps the system in normal operation condition.
互联的两个液压泵、优良的控制系统确保高速开模、合模。
High opening and closing speeds thanks to differential control system and interconnection of both pumps.
经理论分析计算，确定变速泵理想的转速，确定调节阀理想的开度，调节过程一次完成。
Calculation by theoretical analysis may ascertain the ideal rotate speed of variable-speed pump and ideal opening of regulating valve, completes adjust process at one time.
通过在泵开和关时电磁阀所进行的开启和关闭来操作泵控制阀。
Solenoid operated pump control for controlled opening and closing on pump start-up and shut-down.
许多种压控测试阀均是通过环空加泵压打开，泄掉泵压关闭，开井过程中环空始终保持一定的开启压力。
Many pressure dominated testing valve is through pumping of relieving annulus pressure to realize open or shut down hole test valve and keep annulus pressure for certain all the time.
泵壳为水平中开，检修时不需拆卸电机和管路。
Pump casing is horizontal split casing and it is unnecessary to dismantle motor and piping when maintenance.
泵壳为水平中开，检修时不需拆卸电机和管路。
Pump casing is horizontal split casing and it is unnecessary to dismantle motor and piping when maintenance.
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