combined weld operating technique
combined weld operating technique
焊接组合操作技术
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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By using combined weld operating technique, not only ensured the requirement of weld quality, but also reduced the cost and period of manufacture.
采用组合焊接操作技术，即保证了焊缝焊接质量要求，又大大节约了制造成本，并缩短了制造周期。
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