1.
Table shows total capacity provided with dual valve installations of various sizes.
表中显示的是各种通径的双阀门安装的总能力。
2.
The twin valve filters in the Stone Buddha Waterworks in Zhengzhou city have been renovated.
介绍郑州市石佛水厂双阀滤池技术改造的实例。
3.
dual way check valve
双向止回阀（双通单向阀）
4.
Seat discs shall be reversible to extend check valve life.
阀座阀瓣应该是双向的，能够延长止回阀寿命。
5.
Gate valves serve as efficient stop valves with flow in either direction.
闸阀可作为流体双向有效的关闭阀。
6.
rising-stem double-disk parallel slide valve
明杆平行式双闸滑阀
7.
parallel dual-chamber air brake valve
并列式双腔气制动阀
8.
series dual -chamber air brake valve
串列式双腔气制动阀
9.
Outer row of studs secures the yoke to the body.
双头螺栓的外部排列将阀架固定在阀体上。
10.
Positive mechanical thrust drives plug into body seats to ensure tight bi-directional line seal.
积极的机械推力驱动阀塞进入阀体阀座馁，确保紧密双向管路密封。
11.
Marine duo-eccentric-pivoted butterfly valves
GB/T3037-1994船用双偏心型蝶阀
12.
Marine cast iron flange dual-row stop valves-case
GB/T2499-1993船用法兰铸铁双排截止阀箱
13.
on-and-off service
利用双位阀门的调节过程
14.
Research on Double-nozzle Electro-hydraulic Servovalve Driven by Piezoelectric Actuator;
压电驱动式双喷嘴电液伺服阀的研究
15.
Application of Slurry Injection by Dual-slurry Sleeve-valve Pipe in Treatment of Underground Karst Cavity;
双液袖阀管注浆法在岩溶地区的应用
16.
Research on Dual-Chamber Tandem Piezoelectric Pump of Combination of Active and Passive Valves
主被动阀结合的双腔串联压电泵研究
17.
A performance matching system for bistable four-way valves
空调双稳态四通阀性能匹配测试系统
18.
Rationality Analysis of Truck with Inertia Proportion Valve
双轴货车安装惯性比例阀合理性分析