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日前,工程建设国家标准《锅炉安装工程施工及验收规范》(GB50273—2009)和行业标准《城镇燃气室内工程施工与质量验收规范》(CJJ94—2009)经修订后,获住房和城乡建设部批准发布。原《工业锅炉安装工程施工及验收规范》(GB50273—98)和原《城镇燃气室内施工及验收规范》(CJJ94—
Recently, the National Standard for Construction and Installation of Boiler Engineering (GB50273-2009) and the industry standard “Code for Construction and Quality Acceptance of Urban Gas Internal Project” (CJJ94-2009) have been revised and approved by the Ministry of Housing and Urban-Rural Development release. The original “Industrial Boiler Installation Project Construction and Acceptance Code” (GB50273-98) and the original “Urban Gas Indoor Construction and Acceptance Code” (CJJ94-