名词
中文翻译：倒扣法兰
同义词：
['falling flange', 'knock-down flange']
例句：
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1.The construction crew used a knockdown flange to quickly install the new roof.
建筑工人使用一个倒扣法兰来快速安装新的屋顶。
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2. The engineer designed the knockdown flange to fit seamlessly into the existing structure.
工程师设计了倒扣法兰，使其能够无缝地嵌入现有的结构中。
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3. The knockdown flange was crucial in preventing water leakage during the installation process.
倒扣法兰在安装过程中防止漏水至关重要。