当埋深较大时，在中墙顶部预留适当的变形量，可以有效减小中墙承受的形变压力。
When buried depth is greater, leaving proper deformation space above the middle wall can effectively reduce the deformation pressure supported by the middle wall.
通过采用预留收缩余量和反变形量，钢性加固，合理选择焊接方法，调整焊接顺序等措施保障了产品焊接最终质量。
In the manufacturing of gate, we use many welding deformation control techniques and adjust the welding sequences to guarantee the final welding quality of gate.
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