名词
中文翻译：焊接符号
同义词：
['welding codes', 'welding symbols', 'welding codes']
例句：
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1. The engineer used a special symbol to indicate the location of the weld.
工程师使用一个特殊的符号来指示焊缝的位置。
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2.The welding process requires precise control of the welding symbols.
焊接过程需要精确控制焊接符号。
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3. The welding symbols were designed to ensure that the joint was strong and durable.
焊接符号被设计出来确保接头既坚固又耐用。