Mainly introduced the oil sand nature as well as the present oil sand distribution and the reserves, elaborated the oil sand method of exploitation and the oil sand separation method.
主要介绍了油砂的性质以及目前油砂的分布及储量，阐述了油砂的开采方法及油砂的分离方法。
Mainly introduced the oil sand nature as well as the present oil sand distribution and the reserves, elaborated the oil sand method of exploitation and the oil sand separation method.
主要介绍了油砂的性质以及目前油砂的分布及储量，阐述了油砂的开采方法及油砂的分离方法。
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