名词
中文翻译：管道螺纹
同义词：
['pipe thread', 'pipe threading']
例句：
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1.The engineer used a special NPT-pipe thread to connect the pipes.
工程师使用一种特殊的NPT管螺纹来连接管道。
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2.The new machine has a unique NPT-pipe thread design that makes it easy to install.
这台新机器有一个独特的NPT管螺纹设计，使得安装变得容易。
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3. The construction workers were using NPT-pipe threads to fasten the wooden beams together.
建筑工人正在使用NPT管螺纹将木梁固定在一起。