The tests reveal that the gas-liquid countercurrent process offers higher desulfurization and dearomatization efficiency and is a cost-effective hydrotreating process.
试验结果证明，气液逆流加氢具有更高的脱硫、脱芳烃深度，是一种经济有效的先进加氢精制工艺。
The tests reveal that the gas-liquid countercurrent process offers higher desulfurization and dearomatization efficiency and is a cost-effective hydrotreating process.
试验结果证明，气液逆流加氢具有更高的脱硫、脱芳烃深度，是一种经济有效的先进加氢精制工艺。
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