The small turning radius, more flexible, hydraulic steering system, flexible steering. The pilot operation of hydraulic system, easy to operate.

转弯半径小，更加灵活，液压转向系统，转向灵活。先导操作液压体统，操作方便。

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While multiple faults occur in complex power system, the pilot protections could correctly operate or not, and incorrect operation of the pilot protection is harmful to the power system.

复杂电力系统发生复故障时，方向高频保护可能正确动作也可能不正确动作，而继电保护的不正确动作将直接危害电力系统的安全稳定运行。

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Pilot injection is also utilized by the common rail fuel system to smooth engine operation.

还利用共轨燃油系统顺利发动机运转试验注射。

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