This is Lei-ring at zero pressure and under high pressure from the role of the reasons for sealing.
这就是蕾形圈在零压和高压下起密封作用的原因。
From 1993, the reconstruction of low pressure cylinder sealing began to conduct. The floating ring seal are changed into steam jamming seal. The applied effect is good.
1993年开始实施低压缸密封改造，将浮环密封改造成蒸汽阻塞密封，使用效果良好。
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。
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