一旦正确的路线和角度已经实现，交叉成员焊接准备。一个坚实的鱼片应该管焊接周围人的整个圆周每个交叉。

Once the proper alignments and angles have been achieved, the cross-members are ready for welding. A solid fillet should be welded around the entire circumference of each cross-member tube.

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从场地规则角度看，弯道对径赛成绩的影响，一是运动员实跑路线的圆周长；二是运动员曲线运动时产生的离心力。

Seen from the Angle of the rules of Sports ground, curve has an influence on results of track events.

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