将旋钮压下，顺时针旋转一整圈，使其完全嵌入到阀杆轮箍的螺纹里。
Press down on knob and turn clockwise one full turn to properly engage threads on stem boss.
同一转子部件可用于反向，轴完全密封、不接触介质、不腐蚀螺纹、运行寿命长。
The same rotor parts can also be used opposite . The shaft is sealed completely , it doesn't touch medium or corrode the screw thread and has long operating lifespan.
同一转子部件可用于反向，轴完全密封、不接触介质、不腐蚀螺纹、运行寿命长。
The same rotor parts can also be used opposite . The shaft is sealed completely , it doesn't touch medium or corrode the screw thread and has long operating lifespan.
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