coal carbonization coking

例句：

1. 1.The process of coal carbonization is crucial for the production of energy.
   煤炭的碳化过程对于能源的生产至关重要。
2. 2. Coal carbonization and coking are essential steps in the refining process.
   煤炭的碳化和焦化是精炼过程中必不可少的步骤。
3. 3. The coal industry relies heavily on these processes for the production of electricity and heat.
   煤炭行业依赖于这些过程来生产电力和热能。