test weld

例句：

1. 1. The engineer conducted a testweld to ensure the strength of thejoint.
   工程师进行了一次测试焊接，以确保接头的强度。
2. 2. The construction company is required toconduct regular test welds to maintainquality standards.
   建筑公司被要求定期进行测试焊接，以保持质量标准。
3. 3. During theinstallation process, it is important to performtest welds to detect any potentialissues before they become major problems.
   在安装过程中，进行测试焊接非常重要，以便在出现问题之前发现任何潜在问题。