1. 压力比：驱动活塞与加压活塞的面积比。
1. pressure ratio: the area ratio of driving piston to pressurized piston.
2. 耗气量：驱动活塞运动所需要的小耗气量（NL/min），来确定空压机或管道的输送能力能否满足增压泵的需要。
2. gas consumption: the minimum air consumption (NL/min) needed to drive the piston motion to determine whether the conveying capacity of the air compressor or pipe can meet the needs of the booster pump.
3. 驱动压力：驱动增压泵动作的压力范围，理论范围在1.5bar~10bar之间，经济使用范围在6bar~8bar之间。
3. driving pressure: the pressure range that drives the booster pump action, the theoretical range is between 1.5bar~10bar, and the most economical use range is between 6bar~8bar.
4. 排量：增压泵在一个行程内，输出介质的容积（L/次）。
4. displacement: booster pump in a stroke, the output medium volume (L/ times).
5. 流量：增压泵在一分钟内，累计输出介质的容积（L/min）。等于排量*每分钟往复次数。流量随输出压力的增大而减小，样本中给出的流量为出口压力为零时的测量值。
5. flow: booster pump accumulative volume of output medium (L/min) in one minute. It is equal to the number of reciprocating times per minute. The flow rate decreases with the increase of the output pressure, and the flow rate given in the sample is zero when the outlet pressure is zero.
6. 标态流量：仅对气态而言，即在1atm，20℃下测量的流量。
6. standard flow: for gas only, it is measured at 1atm and 20 degrees.
7. 保压：在一定的驱动压力下，泵停止工作后，回路内的压力在规定时间内没有变化。保压时间少10min。
7. keep pressure: under certain driving pressure, after the pump stops working, the pressure in the loop does not change within the prescribed time. The holding time is at least 10min.
8. 补压：无论何种原因造成保压回路压力下降，泵将自动启动，补充泄漏压力，保持回路压力稳定。
8. supplement pressure: no matter what causes the pressure drop of the pressure retaining loop, the pump will start automatically, replenish the leakage pressure and keep the loop pressure stable.
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