针对我国有关制动系统工况，讨论了气液制动阀结构型式，初步分析了系统油压力与结构轻。

In view of our existing system, we design the structure model of related valve, proving the effect in which the high hydraulic pressure could improve the miniaturization of this structure.

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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.

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系统中设有压力开关(可选)，以实现在低限油压时的泵组自动切换。

Pressure switch (optional) is installed in system to realize automatic transfer for pump under low oil pressure.

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