阀门轴径密封采用石墨压制成形密封圈。
The sealing performance of valve is not influenced uses pressed graphite sealing ring .
在联轴结和电动机之间装有密封圈，可防止水和牙膏等进入机体。
A sealing ring is arranged between the motor and the coupling, so water, toothpaste, etc. can be prevented from entering a machine body.
在联轴结和电动机之间装有密封圈，可防止水和牙膏等进入机体。
A sealing ring is arranged between the motor and the coupling, so water, toothpaste, etc. can be prevented from entering a machine body.
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