利用地下洞穴、孔道、矿井等贮存煤气与天然气在国外已有先例,但在国内还没有实践经验。我国现已废弃的矿井、人防地道、以及其他地下隧洞很多,如果能部分的利用起来,将产生 The use of underground caves, tunnels, mines and other storage of gas and natural gas have precedent in foreign countries, but there is no practical experience in the country. There are many underground mines, civil air defense tunnels and other underground tunnels that are now abandoned in our country. If we can partially utilize them, we will have