鉴于有利用空气調节以改进旅客舒适性的必要,澳大利亚铁路管理局多年来在发展及实用这种設备方面走在最前列,这为下列的事实所证实,除了美国以外,铁路車辆上的第一套空气調节装置是在这个国家制造的。一百年前,铁路管理者对于采暖通风及其它类似有关旅客舒适的問題很少予以重視,三等車內的旅客在自然通风的开敞的車箱內旅行,冬季严酷的寒风呼嘯吹过車箱,旅客縮成一团。以后几年,某些車已成关閉式,冬季旅行已較舒 In view of the need to use air conditioning to improve passenger comfort, the RAA has for many years been at the forefront of developing and practicing such equipment, as evidenced by the fact that, with the exception of the United States, railroad vehicles The first air conditioning unit is manufactured in this country. Hundreds of years ago, railway managers rarely paid much attention to the heating and ventilation and other similar issues related to passenger comfort. Passengers in the third class car traveling in the naturally ventilated open car and the harsh winter wind whistling in winter Cars, passengers shrink into a ball. In the next few years, some cars have become closed and the winter travel has been more comfortable