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我国铁路客车上,主要使用两种烟灰盒,一种是半球形的,另一种是扁盒式的。前者虽然结构简单,但因开口处无盖,不够卫生和美
China’s railway passenger car, the main use of two ash boxes, one is hemispherical, the other is a box-type. Although the former is simple in structure, it is not hygienic and beautiful due to the absence of the opening