题目：
分段焊接时可以对焊接处进行吹风等强制冷却，然后进行下一段的焊接。
答案：
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参考答案：十字交叉梁桩式基础；十字交叉梁板式基础；四附着
分段焊接时可以对焊接处进行吹风等强制冷却，然后进行下一段的焊接。
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