Exercise is a good safety valve for the tension that builds up at work.
锻炼身体是排解工作压力的好办法。
Pressure is also building up within the reactor, butthe release valve is malfunctioning, he said.
反应堆内的压力正在升高，但是放压阀出现了故障。
Clean up the mess first, then fit a new seal and check the valve.
首先清除脏物，然后换一个新的垫圈并检查一下阀门。
打开补给水阀门。
Objective: to sum up experience of heart valve replacement after closed mitral commissurotomy.
目的：介绍二尖瓣闭式扩张术后的瓣膜替换术经验。
The field test shows that the performance of new valve is up to grade.
经测试表明新型阀的功能和指标均达到要求。
I would not hold this up as comparable to surgical mitral valve repair.
我不会认为它的效果与二尖瓣外科修补相当。
Air lock and dust discharge valve open or close in turn up and down.
锁气翻板卸灰阀为上下交替开闭，自动复位机构。
Compressors are run up with the anti surge valve fully open.
压缩机在启动时防喘振阀全开。
Aortic valve replacement can performed for reoperation during follow-up.
随访中再次手术可选择换瓣手术。
Aortic valve replacement can performed for reoperation during follow-up.
随访中再次手术可选择换瓣手术。
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