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.
地脚螺栓和预埋底板须根据图纸上的尺寸排布，且应是非常精确的。
Foundation bolts and insert plate must be arranged according to the drawings and must be very accurate.
绞车底板准备清洁和钻井螺栓孔。
Winch base plate ready for cleaning and drilling bolt holes.
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