... water-oil ratio history 水油比随时间变化曲线 water-oil ratio performance 水油比动态 water-oil ratio 水油比 ...
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The catalyst has excellent anti-metal performance when being used in heavy oil cracking reaction, and can increase the weight ratio of liquefied gas, gasoline and diesel fuel in the product.
本发明的催化剂在用于重油裂化反应中时具有优秀的抗金属性能，且能够提高产物中液化气、汽油和柴油的重量比。
On the basis of optimum oil stone ratio of 3 kinds of test projects, road performance were analyzed;
在这3种试验方案最佳油石比的基础上对沥青混合料的路用性能指标进行了试验分析；
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