Flexibility and hosing test for small water tight hatch cover(water tight door and window).
水密小舱口盖（水密门、窗）启闭灵活性、冲水检查。
Flexibility and hosing test for small watertight hatch cover (water tight door and window).
水密小舱口盖(水密门、窗)启闭灵活性、冲水检查。
The hatch-door above him was a gray square in the wall of darkness.
头上，通道口的门在这黑暗构成的墙上，呈一个灰色的正方形。
When it was time to jump, she could not make herself go to the open door and the instructor had to push her out the hatch.
等到要跳伞的时候，她就是走不到打开的舱门边，教练只好把她推下去。
When it was time to jump, she could not make herself go to the open door and the instructor had to push her out the hatch.
等到要跳伞的时候，她就是走不到打开的舱门边，教练只好把她推下去。
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