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2020-03-05View Original

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Reply #22020-03-06
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Reply #32020-03-06
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Reply #42020-03-13
["{"안내는 항공 泵选型问题吧,罗茨泵(主泵)과 前级泵(前级泵)를 함께 고려해야 합니다。",
Reply #52020-03-14
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Reply #62020-03-14
[]{"제미는 工况不同,每家厂子的罗茨泵在正常工况下能能承受的最大前后压差前后压差不能使罗茨泵承受的压差超过允许的范围。"}
Reply #72020-03-14
\",
Reply #82020-03-14
[]{"본래 最后由 3容忍766 于 2-3-13 也11:也编辑 我接触过国内几家厂都说出类似产品,有不锈钢的也也有钛材的!"}
Reply #92020-03-23
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Reply #102020-08-08
[]{"烟台沃尔姆真空技术有限公司。有需要也可联系我,站内私信或者wbattlefury@dingtalk.com"}

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