英语词汇back-seated valve怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
At this point the upper stem has lost contact with the diaphragms. The valve should be opened to this point but not back seated.
在此时，上阀杆已经失去了同横膈膜的接触。阀门应该开启到这一点，但不能反向固定。
2
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。
3
A step on the stem has now been back-seated against the upper portion of the valve body.
阀杆上的台阶现在已经坐落在阀体的上面部分上。

单词	back-seated valve
释义	back-seated valve 简明释义后座阀网络释义 1 ?后座阀 back-seated valve 后座阀; 强迫就位阀 bevel seated valve 斜座阀; 锥形座阀 . 2 ?强迫就位阀 back-seated valve 后座阀; 强迫就位阀... 双语例句 1 At this point the upper stem has lost contact with the diaphragms. The valve should be opened to this point but not back seated. 在此时，上阀杆已经失去了同横膈膜的接触。阀门应该开启到这一点，但不能反向固定。 2 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。 3 A step on the stem has now been back-seated against the upper portion of the valve body. 阀杆上的台阶现在已经坐落在阀体的上面部分上。
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