横膈膜中心也正是立刻放进这地方。
The diaphragm center is also being set into place right now.
金属横膈膜在阀门的顶部作为密封。
The metal diaphragms act as the seal at the top of the valve.
横膈膜位于胸腔与腹腔之间。
这是横膈膜止动螺母。
在此时，上阀杆已经失去了同横膈膜的接触。
At this point the upper stem has lost contact with the diaphragms.
在此时，上阀杆已经失去了同横膈膜的接触。
At this point the upper stem has lost contact with the diaphragms.
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