名词
中文翻译：焊接和滚压管接头
同义词：
['welded and rolled pipe joint', 'welded and rolled joint']
例句：
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1. The engineer used a special tool to make the welded and rolled tube joint stronger.
工程师使用特殊工具使焊接和滚压管接头更坚固。
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2.The construction crew was working on the project, making sure all the welded and rolled tube joints were properly sealed.
建筑队在施工，确保所有焊接和滚压管接头都密封得当。
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3. The new design uses lighter materials to reduce the weight of the welded and rolled tube joints, making it easier to transport.
新设计使用了更轻的材料来减轻焊接和滚压管接头的重量，使其更容易运输。