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1 前言压缩天然气汽车(以下简称CNG汽车)具有燃料费用低,对环境污染小等优点,被许多国家接受。近几年国内发展也非常迅速,随着西气东输工程的进展,国内许多城市也将大力发展CNG汽车。汽车用压缩天然气气瓶(以下简称CNG气瓶)是CNG汽车的一个主要部件,它从最初钢质气瓶发展到今天的钢质内衬缠绕CNG气瓶、铝合
1 Introduction Compressed natural gas vehicles (hereinafter referred to as CNG vehicles) have the advantages of low fuel costs and low environmental pollution, which are accepted by many countries. In recent years, domestic development is also very rapid. With the progress of the West-East Gas Pipeline Project, many domestic cities will also vigorously develop CNG vehicles. CNG cylinders for automotive applications (CNG cylinders for short) are a major component of CNG vehicles and have evolved from initial steel cylinders to today’s steel-lined CNG cylinders, aluminum