ISO 3166 国家代码Country A 2 A 3Number AFGHANISTAN AF AFG4 ALBANIA AL ALB8 ALGERIA DZ DZA12 AMERICAN SAMOA AS ASM16 ANDORRA AD AND20 ANGOLA AO AGO24 ANGUILLA AI AIA660 ANTARCTICA AQ AT
LPG混空气作为天然气紧急备用气源的可行性摘要:利用燃气互换性判别方法分析了液化石油气混空气作为天然气紧急备用气源的可行性,结合具体的燃具用实验加以验证,提出了紧急备用气源中液化石油气与空气合适的比例。关键词:液化石油气混空气;紧急备用气源;互换性Feasibility of Using LPG-air Mixture as Urgent Stand-byGas Source of Natural