由 于天然气资源丰富并能满足可持续发展的要求 ,能源专家们普遍认为天然气必将取代煤、石油而成为２１世纪的能源主力。中国是开发利用天然气最早的国家 ,也是天然气资源比较丰富的国家之一 ,天然气的利用却一直比较落后。进入新世纪、新千年 ,中国加快了天然气的开发利用步伐 Because natural gas resources are abundant and can meet the requirements of sustainable development, energy experts generally believe that natural gas will replace coal and petroleum and become the main energy source for the 21st century. China is the earliest country for the development and utilization of natural gas, and it is also one of the countries with relatively rich natural gas resources. Natural gas utilization has been relatively backward. In the new century and the new millennium, China has accelerated the development and utilization of natural gas