Experiments and numerical simulation are carried out to recognize the exact flow and combustion characteristics in a two-stage oil-less ignition system.

为掌握煤粉无油二级直接点火燃烧器内部流动、燃烧特征，进行了试验和数值模拟。

youdao

Making the switch to corn ethanol will help the American economy because it will make the United States less dependent on foreign oil.

转向玉米乙醇将有助于美国经济，因为它将使美国减少对外国石油的依赖。

youdao

It uses less oil in cooking.

烹饪时用油更少。

youdao

The company recreated itself from a low-margin, commodity-driven, regional oil refiner into a less-cyclical, higher-margin, global specialty chemicals company.

FORBES: Your Next Marketing Weapon: Corporate Culture

It accounts for 15% of the U.S.'s crude-oil imports, less than half the amount the U.S. imports from Canada, Mexico and Venezuela.

CNN: Do We Still Need the Saudis?

The world economy is much less oil-intensive than it used to be.

ECONOMIST: Running out of puff? | The