你可能感兴趣的试题
dirty air electric power atomic energy burning waste
fuel dribbling from leaking fuel injectors burning fuel with a high carbon content burning fuel with a high vanadium content burning fuel with a lower sulphur content
They go only a short way. They are easier to keep clean. Electric power has no smoke. Electric cars need no energy.
water in the fuel insufficient fuel for combustion clogged air intake passages burning lubricating oil
They go only a short way. They are easier to keep clean. Electric power has no smoke. Electric cars need no energy.
stopping air pollution is hard dirty air is blown away by the wind planes cannot fly through smoke it is impossible to make dirty air cleaner
factories and clouds cars and oil smoke and fumes waste burned on ocean floors
keep planes from :flying bury sand on ocean floors stop air pollution burn leaves without smoke
湘公网安备 43130202000226号