化学级 meaning in Chinese
chemical grade
Examples
- Only about 2% of the deposits are chemical grade .
蕴藏中只有大约2%是“化学级”的。 - Studying on smelting metal silicon by coal
以煤代炭冶炼化学级金属硅的试验研究 - Only about 2 % of the deposits are chemical grade
蕴藏中只有大约2 %是“化学级”的。
chemical grade