heavy oil hydrocarbon group-components
heavy oil hydrocarbon group-components
重油烃类组分
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The dual-group hydrocarbon type rubber plasticizer was prepared using the heavy components in the production of heavy oil catalytic cracking by secondary deasphalting process.
以重油催化裂化装置生产的重组分油为原料，采用二次脱沥青精制工艺，可制备二元族烃型橡胶增塑剂。
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