hinged watertight door的意思|示意

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铰链式水密门

铰链水密门 ... 铰链栅门提拉窗滑车槽 hangingstile 铰链舱壁门 hingedbulkheaddoor 铰链水密门 hinged watertight door ...

绞链水密门 ... 齿轮传动水密门 geared door 绞链水密门 hinged watertight door 滑动式水密门 slid watertight door ...