
PLASTICS PIPING SYSTEMS FOR HOT AND COLD WATER INSTALLATIONS - POLYBUTYLENE (PB) - PART 5: FITNESS FOR PURPOSE OF THE SYSTEM
出版:International Organization for Standardization

專家解讀視頻
PLASTICS PIPING SYSTEMS FOR HOT AND COLD WATER INSTALLATIONS - POLYBUTYLENE (PB) - PART 5: FITNESS FOR PURPOSE OF THE SYSTEM
出版:International Organization for Standardization
專家解讀視頻