Doors of engine casing and stair casing on main deck are of fire doors with self-closing device.

主甲板机舱棚围壁和梯道环围等处安装的门为带闭门器的防火门。

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Doors of engine casing and stair casing on main deck are of fire doors with self-closing device.

主甲板机舱棚围壁和梯道环围等处安装的门为带闭门器的防火门。

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