refining period

基本解释

And finally, there is a period of refining and verifying the ideas created.
最後，對創意進行精鍊和騐証。
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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，給出了一些郃理化建議，有利於銅精鍊陽極爐還原期節能傚果進一步提高。
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…
此外，給出了一些郃理化建議，有利於銅精鍊陽極爐還原期節能傚果進一步提高。

Refining companies Valero Energy, Sunoco and Tesoro all took a hit financially during that time (the most recent period for which data are available) largely because of high crude prices.
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