weld crack

• 焊接裂纹,焊接裂缝

weld crack的用法和样例：

例句

1. The melting welding would result in the thermal crack and cannot be used to bond the big and bended parts due to the low welding depth.
   铍的熔化焊由于热影响区对热特别敏感及焊接裂纹等而存在很大困难。