high-molecular-weight fraction
常見例句
- Results showed that, the high boiling fraction yield in-creased by 2 - 3 percentages in weight by adding a small amount of high molecular active additive.
結(jié)果証明，加入少量高分子活性添加物可以提高餾分重量收率3個百分點以上。 返回 high-molecular-weight fraction