It can completely prevent reverse flow of fluid such as compressed air.
Spring loaded for fast closure, eliminating reverse flow slam and water hammer.
The bleed valve of engine to be started is closed to eliminate reverse flow leakage.
Our raft crashed upriver, caught by the unexpected reverse flow.
我们的橡皮艇在上游翻了个底朝天,被突如其来的回流卷住了。
In this regard, the reverse flow of resources from developing to developed countries should be addressed.
在这方面,从发展中国家向发达国家的资源反向流动问题应当予以解决。
Those sources indicated that there was now a reverse flow of indirect trade in diamonds from Liberia to neighbouring countries.
这些人士表示,现在有钻石从利比里亚反向流动到邻国的间接贸易。
Monitoring alarms such as leak detection, reverse flow, empty pipe, magnetic tampering and multiple battery life
提供监测警报,例如泄漏检测、逆流、空管、磁场干扰和多电池寿命
Direct-acting sequence valve without reverse flow check
直动式 顺序阀 无逆流单向阀
Reassemble the reverse flow (check) valve housing with new or reconditioned components.
用新的或修复的部件重新组装逆流(单向)阀壳体。
The fully assembled test valve including the manufacturers recommended reverse flow valve.
完全装配好的测试阀,包括制造商推荐的逆流阀
Active alarm status (cable cut or module removal, leakage, broken pipe, reverse flow, low battery)
主动式报警状态(电缆切断或模块拆除、渗漏、水管破裂、逆流、电池电量不足)
If the valve would normally include a reverse flow valve, the manufacturer's recommended re-verse flow valve must be part of the valve assembly.
如果阀门通常包含有逆流阀,则制造商建议的逆流阀必须是阀门总成的组成部分。
This specification is for gas lift valves, reverse flow (check) valves, orifice valves, dummy valves and the WRVM's used as a receiver for these valves or other devices used to enhance oil well production or treat oil or gas wells.
本规范用于气举阀、逆流(单向)阀、孔板阀、平衡阀,以及用作这些阀门接收装置的缆索可回收阀工作筒,或用来提高油井产量或处理油井或气井的其他装置。