In the oil pipeline of the electrohydraulic push rod, a self-lockingvalve is designed.
电液推杆的油路中，设计了自锁阀。
2
The simulation models of tank, pipe, self-lockingvalve and filter, and thruster were established according to the simplified physic model of the propulsion system.
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。
3
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;