4823| 14
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求教:抽真空時(shí)間計(jì)算問(wèn)題 |
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點(diǎn)評(píng)
真空度是有個(gè)曲線的,真空度越高實(shí)現(xiàn)條件越慢。
留個(gè)聯(lián)系方式給你發(fā)個(gè)專業(yè)真空泵廠家的excel
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