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oil seal ring
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为防止发电机内部的氢气外漏,在发电机两端轴与静止部分之间设置的中间通以连续不断的比氢气压力高的压力油流,阻止氢气外漏的部件。
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Nuclear and Radiation Safety Center of Minstry of the Ministry of Ecology and Environment of the People's Republic of China
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