Finally, the static and dynamic test of the variable pump had been taken.
最后对系统中的变量泵进行了动静态性能试验。
The tests results show that the controller is the effective control method for the variable pump & valve controlled system.
试验研究结果表明，前馈自适应控制是实现变量泵源阀控系统高精度跟踪控制的有效方法。
Now, the domestic large-and-middle-scale hydraulic excavator generally adopts the diesel engine to urge the variable pump to carry on the work.
现在，国产大中型液压挖掘机一般采用柴油机驱动变量泵进行工作。
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