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日本于1966年11月引入液化石油气(LPG)作为石油替代能源。天然气(进口LNG和日本自产天然气)占日本城市气体原料的60％以上。 天然气除用作地区性采暖空调系统用能源外,还开发了以下新的利用技术:
Japan introduced liquefied petroleum gas (LPG) as an alternative energy source for petroleum in November 1966. Natural gas (imported LNG and Japan’s own natural gas) account for more than 60% of Japan’s urban gas raw materials. In addition to natural gas for regional heating and air conditioning systems, natural gas has also developed the following new utilization technologies: