The Lincoln Electric Company. (1973). The procedure handbook of arc welding (12th ed.). Export Representatives.
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芝加哥风格引文
The Lincoln Electric Company. The Procedure Handbook of Arc Welding. 12th ed. Ohio: Export Representatives, 1973.
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MLA引文
The Lincoln Electric Company. The Procedure Handbook of Arc Welding. 12th ed. Export Representatives, 1973.
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