dust precipitat 除尘器
grain boundary precipitat 晶界析出相
mist precipitat onlyor 滤雾器
Cold salt water or cooling water can be poured into the jacket. The liquor is stirred and cooled evenly, thereby obtain desired temperature for ethanol precipitat …
筒体夹套内可通入冷冻盐水或冷却水，通过搅拌，使料液均匀冷却，控制醇沉所需温度。
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