焊接裂缝是焊接生产中修复裂纹的一种工艺手段，主要分为五类。
第一种为声发射技术，用于发现焊接时出现的缺陷，比如在焊接过程中出现的焊接裂缝。
The first kind of these techniques is the acoustic emission technique which was applied to detect the welding defects such as welding cracks simultaneously during the process of welding in shipyard.
据实际测试，道路铺设焊接钢丝网比人工帮扎网，能够减少75%以上的裂缝发生。
According to the actual test, road laying welded wire netting than artificial help, can reduce the crack occurs above 75%.
如若泵轴裂缝或拆断时，可采取焊补，焊接或煅接，再经回火、车削研磨即可。
If the cracks or split off shaft can take when welding, welding or CALCINED access, and then by tempering, to grinding turning.
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