Returning the lever to its normal position releases the tension on the rod permitting the valve to maintain normal system pressure.
将手柄恢复到正常位置，则“压杆”上的压力就得到缓解，使得调节阀能够保持正常的系统压力。
Maximum pressure differential required for valves with lever actuators should not exceed the limits listed.
采用杠杆执行器要求阀门的最大压差不能超过下表所列的极限。
A dynamic simulation model of start-up process including fuel pumped section and the dynamic nozzle valve lever, etc. is established for the torpedo thermal power system with pressure adjustment mode.
文中针对使用燃料压力调节供应方式的热动力系统，建立了包括充填集液腔和喷嘴阀杆运动等启动过程动态仿真模型；
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