Hundred-Million-Ton Thickened Oil Deposit Discovered in Shengli Oil FieldA large-scale 100-million-ton oil deposit was recently discovered in the Shengli Oil Field, China's second largest....
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Hundred-Million-Ton Thickened Oil Deposit Discovered in Shengli Oil FieldA large-scale 100-million-ton oil deposit was recently discovered in the Shengli Oil Field, China's second largest....