采用恒压变量柱塞泵，输出压力保持恒定，输出流量根据系统需要而变化。
Using constant pressure variables plunger pump, output pressure can keep constant and flow varies as per system's demand.
然后应用能量守恒定律去求得螺杆泵转子的设计规律。
Then, find out the design rules with the conservation law of energy.
滤液回收水补入将液箱用于维持浆液恒定密度，磨机浆液循环泵用于转运一台磨机的浆液到石灰石旋流器。
Reclaim water is also fed into the ball mill product tank to maintain a constant slurry density. One ball mill product pump per ball mill feeds the limestone slurry to a dedicated classifier.
内置式电漂洗加热器和漂洗泵： 保持水压和温度恒定；
Built-in booster heater and rinsing pump: deliver the constant water pressure.
同时，发动机转速的恒定也使液压泵输出排量稳定，进而保证了行走速度和振动频率的稳定，提高了压实质量。
At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.
泵控容积调速系统中负载发生变化时，要保证马达输出转速恒定。
When the load of pump control cubage timing system changes, the motor output speed must be kept steady.
加臭泵是专门设计的隔膜式柱塞计量泵，柱塞的运动行程机械锁定，每次输出量保持恒定。
Odorization pumps are specially designed diaphragm plunger metering pump, plunger travel of the exercise machine lock, each time to maintain a constant output.
假设晶体侧面保持恒定的温度，讨论了不同泵浦源下，激光晶体的三维温度场的分布。
With different pump source, the three-dimensional temperature field in the laser crystal was simulated on condition that the temperature on the crystal side remained constant.
假设晶体侧面保持恒定的温度，讨论了不同泵浦源下，激光晶体的三维温度场的分布。
With different pump source, the three-dimensional temperature field in the laser crystal was simulated on condition that the temperature on the crystal side remained constant.
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