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。
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。
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。
The utility model relates to a built-in type magnetic reversing automatic reciprocating cylinder which comprises a cylinder body (3), a piston (5), an air inlet pipe (1) and an exhaust pipe (2);
一种内置式磁力换向自动往复汽缸，包括汽缸体（3）、活塞（5）、进气管（1）、和排气管（2）；
The pipe string includes double hydraulic cylinder with anchorage packer, double hydraulic cylinder without anchorage packer, releasing tool, reversing valve and centralizer.
该工艺管柱主要由双缸液压锚定封隔器、双缸液压无锚定封隔器、液压丢手工具、换层开关、扶正器等工具组成。
On the frame, with two limit switch to control the reversing valves change rubber cutting knife movement direction, at the same time, also can protect the piston cylinder cylinder.
机架上装有上下两个限位开关，以控制换向阀改变切胶刀的运动方向，同时，也可保护活塞缸缸盖。
On the frame, with two limit switch to control the reversing valves change rubber cutting knife movement direction, at the same time, also can protect the piston cylinder cylinder.
机架上装有上下两个限位开关，以控制换向阀改变切胶刀的运动方向，同时，也可保护活塞缸缸盖。
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