sulfur deficiency 中文意思是什麼
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Abstract : this article introduces the modifications of sulfur detection device using conbustion - volume method by converting single pipe to dual pipe structures, and discusses impacts on detecting accuracy of vacuum pumping flow and its deficiency
文摘:本文介紹了燃燒-容量法測硫裝置單管轉雙管的改造，討論了真空泵抽空氣流量對準確測定的影響及不足之處。
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