依照规范锚链舱底板的厚度应该加强。锚链舱底部上安装木制板。
Thickness of chain locker bottom plates to be increased as per rules. Wooden board to be provided on the bottom of chain lockers.
机舱底板与上段塔架之间、塔架各段之间、塔架除本身螺栓连接之外还增加了导体连接。
Between the motherboard of engine room and upper tower, each section of tower, tower is connected with conduction joint except for its own bolt union.
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