动词短语
中文翻译：弧形裂纹
同义词：
['arc fracture', 'arc breakage']
例句：
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1.The steel beam was severely arc cracked during the construction.
在建设期间，钢梁严重出现了弧形裂纹。
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2. The old car's engine has been arc cracked for years.
这辆旧车的发动机已经出现了多年的弧形裂纹。
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3. The engineer carefully inspected the arc cracking in the bridge supports.
工程师仔细检查了桥梁支撑中的弧形裂纹。