屏体具备密封防水能力 Body with sealed waterproof screen
活塞失效就是活塞丧失了密封能力。
试验中采用不同的密封间隙，以确定磁流体密封能力与密封间隙之间的关系。
In the experiment, the relationship between the seal capacity of magnetic fluid and the different seal gap is determined.
分析造成能量损失的原因和相互关系，讨论增加密封能力，减少泄漏量的措施。
Finally, the cause of energy loss, the increase in sealing capability and decrease in leak are analyzed and discussed.
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