When the system pressure drops to the return pressure, the security valve will be closed and stop discharging, in the way of which the pipelines and equipments of the steam system will be protected.

当系统运行压力降低至安全阀的回座压力时，主蒸汽安全阀自行关闭，停止排放，从而对主蒸汽系统的管道和设备起安全保护作用。

youdao

By the way, just to return briefly to this topic of osmotic pressure, I just want to emphasize that result didn't need any kind of energy of mixing, either, right?

顺便说一下，我们简短地，回到渗透压的问题，我只想强调那个结果，不需要任何能量的混合，对吗？

youdao

The alternative, he warns, is growing social pressure from a marginalized class of poorly-educated, poorly-paid workers unwilling or unable to return to the countryside.

还有一种情况，他警告，低文化的边缘阶层给社会增加了压力，低工资的工人不愿意或者不能回到农村。

youdao

And there may be another explanation: pressure from parents to get a good return on the family's investment.

VOA: special.2009.03.12

Despite international pressure, the military leader has refused to commit to a swift return to democracy.

VOA: standard.2009.11.04

In return Greece is under pressure to restructure its economy and implement austerity measures.

VOA: standard.2010.04.28

Accounts receivable have risen 22% faster than revenues, which puts return on capital under pressure.

FORBES: "The Internet doesn't know borders"

With the growth comes risk: Accounts receivable have risen 22% faster than revenues, which puts return on capital under pressure.

FORBES: You want cables with that?

The ablution rooms had some success, but the pressure to return men to the front line meant minimal time for therapy, and many patients remained infected after apparently successful treatment.

BBC: The fight against STIs