industrial betterment v

• 工业改进

industrial betterment v的用法和样例：

例句

1. The betterment of the word can be accomplished through pure and goodly deeds, through commendable and seemly conduct.
   通过纯洁和良好的行为以及值得赞扬和适当的品行才能达到世界的改进。
2. This paper reports an improvement on the experiment of refining industrial natrium sulfide recorded in some chemistry textboobs.
   本文对一些化学实验教科书所载提纯工业硫化钠的实验方法进行了改进。