No external part is required by the device for reversing the cylinder, and the high-speed back-and-forth motion can be achieved, so that an object can move fast.

本装置不用任何 外部件对气缸进行换向，就能达到高速往返运动，能使物体快速移动。

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Hence, the ME engine features fully integrated control of all functions like the governor, start and reversing, fuel, exhaust and starting valves, as well as cylinder oil feeding.

因此，ME系列柴油机的特点是调速、起动、换向、供油、排气阀和起动阀，以及气缸油的注油控制等所有功能集为一体。

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TYB series waterflood pressure regulating systems consist of two cylinder four chamber pump body, electro hydraulic reversing valve, control fluid circuit and control current circuit.

TY B系列调压注水装置由双缸四腔泵体、电液换向阀、控制液路及控制电路组成。

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