The invention of this new machinery will _________________ the coal industry.
举一反三
- The coal industry is running down as coal is gradually replaced by oil.( industry )
- In order to reduce the consumption of coal , China has tried its best to invest in renewable energy and to adopt new technology to improve the efficiency in industry.
- The secondary industry is often divided into light industry and heavy industry.
- The invention would have wide ___________________ in industry. (应用，运用）
- The passage is mainly about（） A: the agriculture revolution B: the invention of labor-saving machinery C: the development of scientific agriculture D: the farming machinery in America