bursting / 推拉法,爆管法? GW 327: Lining with adhesive backed hoses / 粘质软管内衬(压力管) ? W 343: Spray lining (cement-mortar, non-structural) / 混凝土喷涂法(水泥砂浆,非承载结构) German experiences in underground pipe engineering and trenchless technology ? Participation and member of working-groups for German, international Standards & worksheets 参与德国标准 DIN ,国际标准 ISO 标准和工作表格制定、工作小组成员? member of “ DIN ” mittee for water-management NA119-05-37AA 德国工业标准 DIN 水管理标准 NA119-05-37AA 执行委员会成员? member of ISO\TC138\SC8 – actually working on: ISO\TC138\SC8 成员,目前正在进行的编订工作: ? ISO 11297-4 (CIPP, pressure pipes, wastewater) ISO 11297-4 : CIPP 材料, 压力管和排水管? ISO 11295 (classification, information on design) ISO 11295 : 设计原则,分类? ISO 11296-4 (CIPP, non-pressure pipes, wastewater) ISO 11296-4 : CIPP 材料, 非压力管和排水管
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