www.bzfxw.comICS27.060.30CCSJ9821辽宁省地方标准DB21/T3982—2024锅炉供热管网膨胀节腐蚀监测技术导则Technicalguidelinesforcorrosionmonitoringofmetalbellowsexpansionjointsinboilerthermalnetwork2024-06-30发布2024-07-30实施辽宁省市场监督管理局发布www.bzfxw.comwww.bzfxw.comDB21/T3982—2024I目次前言..................................................................................II1范围...................
