4989| 9
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醫(yī)療器械的加工技術(shù) |
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點(diǎn)評(píng)
那個(gè)人也不說壁厚多少,,你連3165314的區(qū)別都不知道,就說很好焊接,,一看就是個(gè)外行,。中國(guó)人怎么都是這個(gè)德行啊,!看得出來估計(jì)樓主極有可能是做制藥的廠家
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