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。

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The generator is of water cooled stator winding, hydrogen cooled core and hydrogen cooled rotor type.

这台发电机是水冷定子绕组、氢冷铁芯和转子的氢冷型。

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The 300MW turbo generator was built in DFEM in 1985. It is the first 300MW turbo generator with water coolest stator winding and hydrogen cooled rotor in China.

东方电机厂在1985年试制成功300MW汽轮发电机，这是国内首台水-氢-氢型300MW汽轮发电机。

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The CMB is the light that was finally allowed to spread out across space once the Universe had cooled sufficiently to permit the formation of hydrogen atoms - about 380, 000 years into the life of the cosmos.

BBC: Planck satellite: Maps detail Universe's ancient light

The company is also experimenting with a new way of storing the hydrogen that will fuel its cells a fabric made of fibres of activated carbon that can (when cooled with liquid nitrogen) soak up the same amount of energy per kilogram as petrol.

ECONOMIST: Clean living in Iceland