最佳答案:I mainly devote myself to computer education.
最佳答案:I have long engaged mainly in the two courses in the teaching and administrative
最佳答案:支持以上楼主翻译.Conduct and actions of our company mainly is engaged in consumption typ
最佳答案:怎么控制混炼过程?首先我们对每一个胶种都制定一套标准的混炼工艺,主要从两个方面时间、温度.时间上:我们把前段密炼分三节段,第一阶段生胶塑炼阶段;第二阶段添加小料