GB/T 35057-2018煤矸石烧结砖隧道窑余热利用技术规范国家标准
英文:Technical specification of waste heat utilization in coal gangue sintered brick tunnel kiln GB/T 35057-2018介绍: 国家标准《煤...
英文:Technical specification of waste heat utilization in coal gangue sintered brick tunnel kiln GB/T 35057-2018介绍: 国家标准《煤...