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41. | were thoroughly studied.From that,the good conditions for every stages were determined.By addition of |
| 文摘:研究了三聚氰胺系列减水剂的基本合成工艺,考察了各种因素对羟甲基化阶段、磺化阶段、缩聚阶段的影响,确定了各阶段的最佳工艺条件,通过加入一些廉价组分制成复合型减水剂,使得三聚氰胺系列减水剂的生产成本大幅度降低,提高了产品的推广应用价值. |
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42. | network of cronies has always been strong( on the communist left as well as the right) and Mr Le Pen has made |
| 认为法国的实权掌握在一群亲信手中的感觉一直很强烈(对共和党左翼和右翼)并且勒庞先生很巧妙的运用了最近的进展——包括被认为清流的金融政治丑闻——更是加重了这种判断。 |
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