The aromatic factors of Liaohe decanted oil are much higher than those of Daqing decanted oil at the same cumulative yield. 在相同累积收率时,辽河油浆窄馏分的芳碳率远大于大庆油浆窄馏分。
It was difficult for upland crops to grow on the saline-alkali soil in the coastal plain and Liaohe river regions. 在沿海平原和辽河流域盐碱土上很难种植旱地作物。