Michael moves through the ducts above the ceiling, crawling along on his belly, and peering below him through the air vent system.

Michael在天花板上的排气管道中爬行，通过下面的排气口了解自己的方位。

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Supply oil to the fuel oil system by hand oil supply pump and release all the air through the injector pump and fuel injector's vent screw until the oil overflows and no more air found.

采用手压输油泵向燃油系统供油、通过喷油泵及喷油器放气螺钉放气、直至开始溢油并无残留气为止。

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Flush system with hydrogen until required purity is reached. Vent all waste hydrogen through a flue or flare stack.

用氢冲洗设备，直到达到所要求的纯度。通过烟道或火把烟筒排出所有废氢。

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