名词短语
中文翻译：洞和裂缝密封剂
同义词：
['hole and fissure sealer']
例句：
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1.The pit and fissure sealant is used to fill in the cracks in the concrete.
洞和裂缝密封剂用于填充混凝土中的裂缝。
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2. The engineer used a special pit and fissure sealant to repair the damaged area.
工程师使用一种特殊的洞和裂缝密封剂来修复受损区域。
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3.The pit and fissure sealant helps prevent further damage to the structure.
洞和裂缝密封剂有助于防止结构进一步损坏。