water tight hatch cover
... single pull hatch cover 单拉型舱口盖 ; 单拉开式舱盖 water tight hatch cover 水密舱口盖 wooden hatch cover 木质舱口盖 ...
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... watertight hatch 水密舱口 watertight hatch 水密舱口盖 watertight hatch 水密舱口水密舱口盖 ...
基于46个网页-相关网页
水密舱口水密舱口盖 watertight hatch
快速启闭水密舱口盖 Quick acting watertight hatch cover
平式水密舱口盖 Flate-type watertight hatch covers
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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 water tight hatch cover(water tight door and window).
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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).
怎样保证舱口盖水密？
How is the hatch cover kept watertight?
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