fuel oil quality 燃油质量
oil quality monitoring car 油料质量监测车
Oil quality materials 材料耐油质
grain and oil quality examiner 粮油品质检验员
edible oil quality 食用油质量
seed oil quality 籽油品质
oil quality test 油液测试
Oil Quality Pure 油质纯正
crude oil quality 原油质量
It is fast, simple, accurate, may become the analytical method for the missible oil quality standard.
它的快速，简单，准确，可能成为乳油质量标准的分析方法。
It is a decisive factor in the oil quality.
含油率、油酸含量又共同决定油用品种等级。
This underscores the importance of oil quality.
这忽视了原油的质量。
And they are easy to repair. The small presses produce good quality oil.
VOA: special.2009.09.29
Allen Hershkowitz with the Natural Resources Defense Council, a private environmental group, says air quality around landfill sites must be carefully checked when oil-contaminated waste is added to normal household trash.
VOA: standard.2010.08.05
As host of this year's World Jatropha Summit, the government in Accra is seeking greater investment in the hardy plant whose seeds can be crushed into an oil that is processed into high-quality biodiesel.
VOA: standard.2009.08.23
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