止回阀

If relief valve does not drip, record second check valve as "closed tight".

如果安全阀没有滴水，则记录第二止回阀为&关闭紧密&。

If relief valve does not drip, record second check valve as "closed tight".

如果安全阀没有滴漏，则记录第二止回阀为&关闭紧密&。

Adaptors -(2) Brass, for Series 7 modules and double checks

适配器：2个黄铜适配器，适用于系列7模块和双止回阀

Asahi/America announces new injected moulded foot valve screens for its range of ball check valves.

以下是参考译文：译文：朝日/美国公布新的注射成型英尺的球止回阀系列阀门屏幕。

The level of valve lift check valve should be installed in horizontal pipelines.

升降式水平瓣止回阀应安装在水平管道上。

Vertical valve lift check valve should be installed in the vertical pipe.

升降式垂直瓣止回阀应安装在垂直管道上。

Lift check valve can be divided into two kinds of vertical and horizontal.

升降式止回阀可分为立式和卧式两种。

Lift check valve can be designed for horizontal or vertical pipe on the pipeline, but they are not interchangeable.

升降式止回阀能够设计应用于水平管道或竖直的管道上，但二者不能互换。

Placing the check valve in parallel with the pressure-reducing valve allows free return flow when the weld cylinder retracts.

将止回阀与减压阀门允许自由回流焊接钢瓶时收回。

If you remember, I ve also installed an in-line check valve to prohibit water from re-entering the WTC.

如果您记得，我还安装了一个在网上止回阀，禁止水再次进入世贸中心。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。