The seal oil system has become weaker part for hydrogen cooled generator in running.
轴封油系统已成为氢冷发电机运行的薄弱环节。
The oil pump drive gear oil seal is damaged, the air into the hydraulic system;
油泵主动齿轮油封损坏，空气进入液压系统；
The oil pump drive gear oil seal is damaged, the air into the hydraulic system;
油泵主动齿轮油封损坏，空气进入液压系统；
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