论文部分内容阅读
行业标准CJJ/T 81—2013《城镇供热直埋热水管道技术规程》和CJJ/T 309—2013《建筑通风效果测试与评价标准》于近日正式发布,自2014年2月1日起实施。该标准由住房和城乡建设部标准定额研究所组织中国建筑工业出版社出版发行。
Industry Standard CJJ / T 81-2013 Technical Specification for Directly Buried Hot-Water Pipeline for Urban Heating and CJJ / T 309-2013 Ventilation Effectiveness Testing and Evaluation Standard for Building Ventilation was officially released recently with effect from February 1, 2014 . The standard by the Ministry of Housing and Urban Standard and Design Institute of China Construction Industry Press published.