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隨時(shí)就‘玩不下去’的那種感覺,,哈哈,, |
點(diǎn)評(píng)
在國內(nèi),,任何東西都會(huì)被山寨的,這是必然的,,哈哈
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點(diǎn)評(píng)
最后,低檔貨就過剩了,,而高檔就進(jìn)口,,
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點(diǎn)評(píng)
薄翻就是鈑金上的翻邊,以免朝向變形,,厚焊有必要翻邊嗎,?
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點(diǎn)評(píng)
薄板,,一定要先翻邊才能焊接,,厚板,一定要制訂詳細(xì)焊接工藝,,包括熱影響,,應(yīng)力狀況,
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