
BS 6914-1 - TERMINOLOGY (INCLUDING DEFINITIONS OF DIMENSIONS AND SYMBOLS) FOR EARTH-MOVING MACHINERY - PART 1: BASIC TYPES
出版:British Standards Institution

专家解读视频
BS 6914-1 - TERMINOLOGY (INCLUDING DEFINITIONS OF DIMENSIONS AND SYMBOLS) FOR EARTH-MOVING MACHINERY - PART 1: BASIC TYPES
出版:British Standards Institution
专家解读视频