Use red price cover for METRO Mail articles, blue cover for non METRO mail articles.
邮报商品用红色价格封套，非邮报商品用蓝色价格封套。
Described in this paper are the basic structure, main technical parameters and strength test results of the non bolster bogies for metro cars.
介绍了地铁无摇枕转向架的基本结构、主要技术参数及强度试验结果等。
Described in this paper are the basic structure, main technical parameters and strength test results of the non bolster bogies for metro cars.
介绍了地铁无摇枕转向架的基本结构、主要技术参数及强度试验结果等。
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