标 准 编 号:BS EN 10311-2005 简体中文标题:水和其他含水液体传送用钢管和配件的连接用接头 繁体中文标题:水和其他含水液体传送用钢管和配件的连接用接头 English Name:Joints for the connection of steel tubes and fittings for the conveyance of water and other aqueous liquids