对于喷油系统参数：喷油压力、静态供油提前角和油嘴凸出高度，三个参数进行调整试验，找到它们的最佳匹配。

There are three parameters of fuel injection system: response pressure, injection-advanced angle, injection valve bulge high degree, the best match was found by adjusting them.

youdao

车辆液压动力转向系统通过伺服阀控制压力油的方向和流量，把转向盘输入的转角信号转变为车轮的偏转角度输出。

Vehicle power steering systems control direction and flow of pressure oil with servo valves, then transfer angular inputs from steering wheels to corner angular outputs of road wheels.

youdao

文章利用自行开发的固溶物沉积激光测试系统，测试了凝析气平衡油在不同压力下的析蜡温度。

Using the laser testing system of soluble solid deposition developed by themselves, the wax-condensing temperature of equilibrium oil of condensate gas is tested under different pressure.

youdao