4781| 10
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請問“施焊”是什么意思 |
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點(diǎn)評
這個(gè)應(yīng)該是正解,例如選擇坡口形式時(shí),除保證焊透外還應(yīng)考慮施焊方便,填充金屬量少,焊接變形小和坡口加工費(fèi)用低等因素。
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點(diǎn)評
大佬,現(xiàn)焊只需一個(gè)符號(hào)表述即可了
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