Align adapter bushing or gear operator (3) bore with valve stem (5).
用阀门的阀杆(5)对准适配器衬套或持论操作机构(3)镗孔。
Stem: Stem has long engagement with yoke bushing for accurate seating.
阀杆：阀杆与轭架有很长的啮合段，有助于阀座密封的精确对准。
Stem: Stem has long engagement with yoke bushing for accurate seating.
阀杆：阀杆与轭架有很长的啮合段，有助于阀座密封的精确对准。
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