adj.燃煤的

Power plants that burn coal add greatly to air pollution. 燃煤的工廠也大大加重了空氣污染。

Whereas some of these changes are intended mainly to increase the productivity of existing plants, completely new technologies for burning coal cleanly are also being developed. 雖然某些技術(shù)改進是漸進的，其目的只是提高現(xiàn)有電廠的生產(chǎn)率，但人們正在開發(fā)全新的清潔燃煤的技術(shù)。