这种钢材是用瑞典的铁炼制的。
为锻炼制定计划,而且要真正去做。
按科学配方、经加温炼制而成。分夏用冬用两种配方。
There are two different compositions, one is used in summer and the other in cointer.
所以对于一套炼油装置应该具备炼制不同型号原油的能力。
So, an oil refining setting should have the ability of refining the different crude oil.
所以对于一套炼油装置应该具备炼制不同型号原油的能力。
So, an oil refining setting should have the ability of refining the different crude oil.
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