名词中文翻译
中文翻译：弱焊缝
同义词：
['weak joint', 'weak bond']
例句：
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1. The weak weld in the pipe caused it to leak.
管道中的弱焊缝导致它泄漏。
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2. The engineer used a special welding technique to strengthen the weak weld.
工程师使用一种特殊的焊接技术来加固弱焊缝。
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3. The weak weld was visible under the microscope, indicating that the material was not of high quality.
显微镜下可见的弱焊缝表明材料质量不高。