名词
中文翻译：搭接焊缝
同义词：
['butt weld', 'butt joint', 'butt seam']
例句：
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1. The steel beams were buttedtogether to form the frame of the bridge.
钢梁被搭接在一起形成了桥梁的框架。
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2. The butt weld was visiblethrough the metal surface.
通过金属表面可以看见搭接焊缝。
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3. The butt weldis a weak point in the structure thatneeds to be reinforced.
搭接焊缝是结构中的一个弱点，需要加固。