It explored the new technique by using pearlite and wasted clay to produce 4a molecular sieves, and made use of all the exhausted acid and alkali in the process.
探究了珍珠岩和废白土制备4a分子筛的新工艺，并对制备过程中产生的废酸碱液进行了综合利用治理。
2
Even if you get filthy stinking rich you will just have more time to look back across the years you wasted being miserable and nursing your acid reflux.