Caution: If cover will not press flat against body, stem assembly is crooked and damage can result.
警告：如果阀盖不压平在阀体上，阀杆就可能扭曲和损坏。
A cover bearing and integral seat bearing guide the stem assembly for precise alignment with the seat.
阀盖轴承和整体阀座轴承引导阀杆总成，实现与阀座的精确定位。
Varying the amount of pressure accurately positions the stem assembly to open, close or modulate the valve as required.
压力的变化将精确定位阀杆总成，使得阀门实现所要求的启、闭或调节的操作。
It has special unitized construction which consists of the seat, disc and stem assembly, and strainer screen all together in one unit for complete replacement maintenance.
它具有特殊的整体结构，由阀座，阀瓣和阀杆总成，以及过滤器网等整合在一个整体中，完全能够进行更换维护。
The stem and diaphragm assembly will normally remain with the cover as it is removed.
阀杆和隔膜总成通常附在阀盖上与阀盖一起拆离。
Describe the problem of the traditional packing box in field application, and the structure and virtue of auxiliary stripping assembly of stem packing to the question.
阐述了常规阀门填料函在现场应用中存在的问题，以及针对此问题改进设计的填料辅助拆卸装置的结构、特点。
The backup seal is secondary to the main stem seal assembly (20) in the bonnet (12).
备用密封件是阀帽(12)内主阀杆密封组件(20)的二级密封。
A medical instrument handle includes a stem, a joystick assembly, and a medical-instrument-member first articulation cable.
一种医疗器械手柄，包括杆、操纵柄组件和医疗器械部件第一联接缆线。
A medical instrument handle includes a stem, a joystick assembly, and a medical-instrument-member first articulation cable.
一种医疗器械手柄，包括杆、操纵柄组件和医疗器械部件第一联接缆线。
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