名词
中文翻译：焊接外观
同义词：
['welding appearance', 'welding appearance', 'welding appearance feature']
例句：
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1. The welding appearance of the metal is excellent.
金属的焊接外观非常好。
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2. The welding appearance of the metal is consistent with the design.
金属的焊接外观与设计相符。
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3. The welding appearance of the metal is a testament to the skill of the welder.
金属的焊接外观证明了焊工的技能。