The reduction rule of cold rolled narrow steel strip by usual method, It's rolled energy consumtion isn't the least usually.

按一般方法设计的冷轧窄带钢压下规程，轧制能耗不一定是最小的。

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With the continued investment of world oil, the U.S.A. and Canada, the oil sands would be able to supply North America with over 300 years of oil at todays consumtion rate.

FORBES: A Roundup Of Reactions To The Keystone Pipeline Decision