泰雷兹阿莱尼亚公司正在建造66颗下一代低轨道(LEO)铱星。
Thales Alenia is building the next set of 66 Iridium low-Earth orbiting (LEO) satellites.
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.
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.
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