您要查找的是不是：
- P-Q阀 P-Q valve
- P-Q阀可控液压系统单元的计算机控制 Computer control of controlled hydraulic-system-unit with P-Q valve
- 阀 valve
- 电磁阀 solenoid pilot actuated valve
- 闸阀 gate(brake; shutoff; shut-off) valve
- 球阀 ball plug
- 截止阀 disconnecting valve
- 阿Q正传 The True Story of Ah Q
- Q&P钢 Q&P steel
- 阀值 threshold values
- 阿Q Ah Q; a person who interprets his defeats as moral victories
- 单向阀 holding valve
- 阀芯 case
- P-q-0法 p-q-0 theory
- 阀体 valve body
- 溢流阀 spillover valve
- p-Q分解法 P-Q Algorithm
- 换向阀 reversing valve
- Q／P模型 Q/p model
- 阀杆 valve handle
