coal making gas的用法和样例：
- MG Series Buried Scraper Freeder is the major equipment used in the pulverized coal making system of power plant.
- When he was young, tall and stalwart, generous Haoyi,ren xia make gas, people dare not watch intently.
- By contrast, raising pump prices would have an immediate impact on miles driven and make gas guzzlers unattractive.
- Coal makes up nearly 70 percent of China\'s nonrenewable resources.
- HDPE with fire retardance and antistatic property has been developed and used to make gas drainage pipe in the coalseams.