
TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF PIPELINES - PART 3: TERMINAL FEATURES OF VENTILATION AND DRAINAGE SYSTEMS
出版:International Organization for Standardization

专家解读视频
TECHNICAL DRAWINGS - SIMPLIFIED REPRESENTATION OF PIPELINES - PART 3: TERMINAL FEATURES OF VENTILATION AND DRAINAGE SYSTEMS
出版:International Organization for Standardization
专家解读视频