电液推杆的油路中，设计了自锁阀。
In the oil pipeline of the electrohydraulic push rod, a self-locking valve is designed.
根据简化的推进系统物理模型，建立了贮箱、管路、自锁阀与过滤器，以及推力器的仿真数学模型。
The simulation models of tank, pipe, self-locking valve and filter, and thruster were established according to the simplified physic model of the propulsion system.
因此该系统与利用滑板缸有杆腔的液压力的方案相比，液压力得到了充分的利用，另外通过采用自锁型顺序阀，减少了能量损失，使得系统的效率得到了提高。
So the system can fully utilize the hydralicpower, otherwise the use of the lock sequence valve reduces the loss of energy, and improves the efficiency of the system.
自锁型气弹簧是一种可以在行程任一位置锁定的气弹簧。 在自锁型气弹簧的活塞杆端部有一个针阀打开这个针阀，则自锁型气弹簧可以象自由型气弹簧那样运行；
The piston rod self-locking type gas spring end there is a needle valve open the needle valve is self-locking type gas spring can run as the free type gas spring;
自锁型气弹簧是一种可以在行程任一位置锁定的气弹簧。 在自锁型气弹簧的活塞杆端部有一个针阀打开这个针阀，则自锁型气弹簧可以象自由型气弹簧那样运行；
The piston rod self-locking type gas spring end there is a needle valve open the needle valve is self-locking type gas spring can run as the free type gas spring;
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