The position of the rod is determined by a micrometer screw gauge or spherometer.
杆的位置由千分尺螺丝规或球度计确定。
Returning the lever to its normal position releases the tension on the rod permitting the valve to maintain normal system pressure.
将手柄恢复到正常位置,则“压杆”上的压力就得到缓解,使得调节阀能够保持正常的系统压力。
When the lever is raised to the vertical position it pushes a removable "Push Rod" down.
当手柄抬高到垂直位置,它就将可拆卸“压杆”压下。
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