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畜牧人

標(biāo)題: 可能是蒸餾時(shí)溫度過(guò)高，蒸氣過(guò)足，致使氫氧化鈉沖入冷凝管 [打印本頁(yè)]
作者: wwwzlg5478    時(shí)間: 2011-3-22 21:39
標(biāo)題: 可能是蒸餾時(shí)溫度過(guò)高，蒸氣過(guò)足，致使氫氧化鈉沖入冷凝管
可能是蒸餾時(shí)溫度過(guò)高，蒸氣過(guò)足，致使氫氧化鈉沖入冷凝管
作者: 401636839    時(shí)間: 2011-3-22 21:41
一般情況之下不會(huì)



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亚洲日韩精品无码专区网站_亚洲日本一区二区_亚洲Av无码专区国产乱码DVD_亚洲精品永久在线观看 
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