American Valero Energy Corp. rose rapidly in a short period and became North America 's largest refining manufacturer.
美国瓦莱罗能源公司在短短时间里迅速崛起，一举成为北美最大的炼油生产商。
2
Furthermore, some reasonable advices are given and they should be beneficial to enhance more energy saving in deoxidization period of copper refining anode furnace.
此外，给出了一些合理化建议，有利于铜精炼阳极炉还原期节能效果进一步提高。
3
The results showed that reducing trend of LPG flux about deoxidation period of rotary anode furnace in copper refining was quite obvious its saving energy was remarkable with the increase of temper…