Experiments of the gasoline enging fueled with blends of gasoline and ethanol or aquiferous ethanol .
汽油机燃用乙醇和含水乙醇与汽油的混合燃料的试验研究。
Luohandong aquiferous group distribute as limited , thickness widely different , water quality changing heavily , besides east area of gansu province , value of supply water is relatively little in most areas .
