气油比的英文：
the gas-oil ratio

gas是什么意思：
n. 气体；煤气；毒气；汽油
v. 放出气体；加汽油；用毒气杀伤（人）

development of gas
放出气体；放出毒气

This gas mask can immunize you against poison gas.
防毒面具能使你免遭毒气袭击。

long-distance gas
远程供应的煤气[天然气]

oil是什么意思：
n. 油；石油；油画作品
v. 给...供油；使涂满油；加燃油；融化
adj. 石油的；产油的

pecan oil (=hickory oil)
美洲山核桃油

The oil is carried to the oil refinery by pipelines.
石油通过输油管输送到炼油厂。

The traditional carding oil has been replaced by mineral oils
用矿物油代替惯用的梳毛油。

ratio是什么意思：
n. 比率；比例

neutralization ratio
中和比率|中和比例

This is the prime ratio of the nascent increments
这是最初增量的最初比。

Asset quality ratios: Ratios that measure the quality of assets of a lending institution.
资产质量比率:衡量贷款机构资产质量的各种比率。