名词
中文翻译：焊接符号
同义词：
['welding mark', 'welding indicator']
例句：
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1.The engineer used a welding symbol to indicate the location of the weld.
工程师使用一个焊接符号来指示焊缝的位置。
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2. The welding symbol was placed on the steel plate to prevent it from bending during the welding process.
焊接符号被放置在钢板上，以防止在焊接过程中发生弯曲。
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3. The welding symbol is an important tool for inspecting the quality of the welded joint.
焊接符号是检查焊缝质量的重要工具。