The most common type USES spring tension and pressure against a plunger to maintain the pressure.

最常用的一种回压阀使用弹簧张力和对柱塞的压力来保持压力。

youdao

Remember you suggested altering the spring tension?That was good thinking—it solved the problem immediately.

还记得你建议改变弹簧的压力吗?那是个好主意——一下子就解决了问题。

youdao

Remember you suggested altering the spring tension? That was good thinking -it solved the problem immediately.

还记得你建议改变弹簧的压力吗？那是个好主意——一下子就解决问题了。

youdao

The tension and killings there spring from the economics of oil.

ECONOMIST: The Colombian clearances | The

As a new spring begins, I remain hopeful that our two countries can move beyond tension.

WHITEHOUSE: Statement by President Obama on Nowruz