中文：

煤电一体化是一种将煤炭产业与电力产业相结合的发展模式。这种发展模式将煤炭作为能源来源，通过燃煤发电的方式，将煤炭转化为电能，再通过电网输送到全国各地，以满足人们日常生产和生活用电需求。

煤电一体化的发展模式具有许多优点。首先，它可以提高能源利用效率，减少能源浪费。传统的煤炭产业和电力产业之间存在中间环节，导致能源损失较大。而煤电一体化将这两个产业结合起来，减少了中间环节，提高了能源利用效率。其次，它可以降低环境污染。燃煤发电会产生大量的废气和废水，对环境造成污染。而煤电一体化可以集中处理废气和废水，减少环境污染。最后，它可以提高能源安全性。通过发展煤电一体化，可以减少对石油、天然气等外部能源的依赖，提高能源安全性。

煤电一体化的发展需要解决许多问题。首先，燃煤发电会产生大量的二氧化碳和其他温室气体，对气候变化产生负面影响。因此，需要采取措施减少温室气体排放。其次，燃煤发电会对水资源造成污染，因此需要采取措施减少水污染。最后，煤电一体化需要大量的投资和技术支持，因此需要解决资金和技术问题。

总的来说，煤电一体化是一种将煤炭产业与电力产业相结合的发展模式，具有许多优点和需要解决的问题。在未来的发展中，需要采取措施促进煤电一体化的发展，以满足人们日益增长的能源需求和保护环境的需要。

英文：

Coal-electricity integration is a development model that combines the coal and electricity industries. This development model uses coal as an energy source and converts it into electricity through coal-fired power generation. The electricity is then transmitted through power grids to meet the daily production and living electricity needs of people all over the country.

The coal-electricity integrated development model has many advantages. Firstly, it can improve energy utilization efficiency and reduce energy waste. There are intermediate links between the traditional coal and electricity industries, resulting in significant energy losses. The integration of these two industries reduces intermediate links and improves energy utilization efficiency. Secondly, it can reduce environmental pollution. Coal-fired power generation produces a large amount of waste gas and wastewater, which pollutes the environment. The integration of coal and electricity can centrally handle waste gas and wastewater, reducing environmental pollution. Finally, it can improve energy security. By developing coal-electricity integration, dependence on external energy sources such as oil and natural gas can be reduced, improving energy security.

The development of coal-electricity integration needs to address many issues. Firstly, coal-fired power generation produces a large amount of carbon dioxide and other greenhouse gases, which have a negative impact on climate change. Therefore, measures need to be taken to reduce greenhouse gas emissions. Secondly, coal-fired power generation pollutes water resources, so measures need to be taken to reduce water pollution. Finally, coal-electricity integration requires a lot of investment and technical support, so funding and technical issues need to be addressed.

Overall, coal-electricity integration is a development model that combines the coal and electricity industries, with many advantages and issues that need to be addressed. In the future development, measures need to be taken to promote the development of coal-electricity integration to meet the growing energy demand and protect the environment.