Not every individual would be a candidate for valve-in-valve transplants, the researchers point out.
研究人员指出，不是每个人都可以进行“瓣中瓣”移植。
For system ventilation the valve should be mounted at the system's highest point.
对于系统通风阀应安装在系统的最高点。
The valve should be opened to this point but not back seated.
阀门应该开启到这一点，但不能反向固定。
Precision valve action accurately meters the flow of paint to the point.
精密阀动作准确平方米油漆的点的流量。
The relief valve spring will be free inside the body at this point.
这时安全阀弹簧将在阀体自由活动。
Silver brazing Method: Apply brazing wire or rod at point where tube enters valve socket.
银钎焊法：将焊线或焊杆点在阀门里的管道套座上。
Silver brazing Method: Apply brazing wire or rod at point where tube enters valve socket.
银钎焊法：将焊线或焊杆点在阀门里的管道套座上。
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