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。

youdao

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。

youdao

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。

youdao

The Avalanche comes, standard, with a three-piece hard, water-tight cover that latches down over the bed.

CNN: Chevy Avalanche: Big truck for the real world