
BUILDING CONSTRUCTION MACHINERY AND EQUIPMENT - PLANTS FOR THE PREPARATION OF CONCRETE AND MORTAR - PART 1: TERMINOLOGY AND COMMERCIAL SPECIFICATIONS
出版:Netherlands Standards

專家解讀視頻
BUILDING CONSTRUCTION MACHINERY AND EQUIPMENT - PLANTS FOR THE PREPARATION OF CONCRETE AND MORTAR - PART 1: TERMINOLOGY AND COMMERCIAL SPECIFICATIONS
出版:Netherlands Standards
專家解讀視頻