
Bs 6914-1 - Terminology (including Definitions Of Dimensions And Symbols) For Earth-moving Machinery - Part 1: Basic Types
出版:British Standards Institution

專家解讀視頻
Bs 6914-1 - Terminology (including Definitions Of Dimensions And Symbols) For Earth-moving Machinery - Part 1: Basic Types
出版:British Standards Institution
專家解讀視頻