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第二章煤气的生产及安全第一节概述世界上所有的原料中,原煤一直占有最主要的地位。它构成了任何一种工业的基础,也是能源中最重要的原料。任何一种能量的转变,总是附带有损耗的。但是,其损耗的大小,随能源的利用方式不同,相差极为悬殊。将煤转化为煤气,被认为是损耗最
Chapter II Gas Production and Safety Section I Overview Raw coal has always occupied the most important position among all the raw materials in the world. It forms the basis of any kind of industry and is the most important source of energy. Any kind of energy change, always with loss. However, the size of its loss, with the use of energy in different ways, the difference is extremely disproportionate. Converting coal to gas is considered the most expensive