本文论述了利用流体静力学原理对硫酸烟碱的提取工序进行工艺改造的方法。

The method of using hydrostatic principle to improve technology for extracting nicotine sulfate was described .

youdao

本文论述了利用流体静力学原理对硫酸烟碱的提取工序进行工艺改造的方法。

The method of using hydrostatic principle to improve technology for extracting nicotine sulfate was described .

youdao