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  • 短程分子蒸餾儀結構(圖)設備價格

    短程分子蒸餾儀結構(圖)設備價格

    分子蒸餾儀是一種在高真空下操作的蒸餾方法,這時蒸氣分子的平均自由程大于蒸發表面與冷凝表面之間的距離,從而可利用料液中各組分蒸發速率的差異,對液體混合物進行分離。

    更新時間:2019-12-31   廠商性質:生產廠家   產品型號:RTF-FZ   訪問次數:1565

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他亲我下面舌头伸进去,他扒开我内裤强吻我下面视频,一个添下面两个吃奶把腿扒开_高清