它有香烟盒大小，白色精制的不锈钢熠熠发光，随时准备吞下几百首歌曲。
It was the size of a pack of cigarettes, gleaming in white and polished stainless steel and ready to swallow hundreds of songs.
介绍了莱钢泰东公司混合甲酚精制提纯的工艺改造情况。
The technological reform of mixed cresol refining and purification in the Taidong Co. , Ltd is presented.
轴承选用精制轴承钢，使用寿命长。
High quality bearing steel is selected to prolong the beering's service life.
应用推荐