Manmade sources can include motor vehicles, and industrial fuel burning, and manufacturing operations.

人为来源可以包括机动车辆、工业燃料燃烧和制造业务。

youdao

The main anthropogenic source of SO2 is the burning of sulfur-containing fossil fuels for domestic heating, power generation and motor vehicles.

人为的二氧化硫主要来源是为家庭取暖、发电和机动车而燃烧含有硫磺的矿物燃料。

youdao

Studies show that most of the pollution comes from coal burning, motor vehicles, industrial emissions and dust.

研究表明，污染大部分来自燃煤，机动车，工业排放物和灰尘。

youdao

While my dough did slow down the blade, I never felt like the machine was in any danger of burning out the motor.

FORBES: Still Made by Hand: The Original Food Processor

Rather than eliminate nitrogen oxide via a bulky chemical treatment system that even the EPA questioned initially, EGR would make the motor do all the work by piping exhaust gas back into the cylinders and burning it again a cleaner, cheaper, lower-maintenance solution, which would set Navistar ahead of the pack.

FORBES: Death By Hubris? The Catastrophic Decision That Could Bankrupt A Great American Manufacturer