单词check-valve
na.: 【机】止回阀
网络: 单向活门；逆止阀；回火防止器
逆流防止阀
截止阀
A tapered, often bullet-nosed device fitted with a check valve and typically found at the bottom of a casing string.
一种装配有节流阀的锥型的，通常是圆头引导型的装置，典型地位于套管柱的最下端。
Remove the retainer from the body bore. The check valve modules can now be removed from the valve by hand or with a screwdriver.
从阀体镗孔上拆卸保持器。现在可以用手或螺丝刀从阀体上拆卸止回阀模块。
A leeward side of the box is provided with at least one air outlet having a vent check valve.
所述箱体的背风面至少具有一个带有出气单向阀的出气口。
processing contrast experimental investigation into the water hammer for a spherical check valve and swing check valve is conducted.
对球形和旋启式两种止回阀进行了水锤对比试验研究。
The mechanism is believed to be a combination of parenchymal necrosis and check-valve airway obstruction .
发病机制是实质坏死和活瓣性气道阻塞的综合作用。
A home is like a reservoir equipped with a check valve: the valve permits influx but prevents outflow.
家就像一座装了单向闸门的水库：允许流入，却阻止流出。
Service of check valve components shall be through a single stainless steel access cover secured with stainless steel bolts.
维修止回阀部件应该通过唯一的用不锈钢螺栓紧固的不锈钢检修盖进入进行。
and a pilot operated check valve is linked with a valve block on the oil cylinder.
液控单向阀与油缸上的阀块相联接。
At the entrance to the water with check valve to prevent water at night by the collector current, and cause the heat loss.
水入口处设有止回阀以防止夜间水由收集器逆流，引起热损失。
If it slowly drops and simultaneously runs out through test cock No. 3, check valve No. 2 is leaking and must be serviced.
如果水柱慢慢下降，并且同时通过测试旋塞3号排出，则止回阀2号泄漏，必须维修。