F. board side seal shall be on the water, air and dust are deeply however.
板端的密封应当对水，空气和尘埃是透不过的。
The GGH seal air fan ensures zero leakage of the raw gas to the environment.
热交换器的密封风机以确保没有原烟气泄漏到环境中。
Reattach cover plate to make an air and water tight seal.
重新固定盖板，并紧密密封防止空气和水通过。
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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