标 准 号:BS EN 1514-2-2005 简体中文标题:法兰及其连接件.PN-标示的法兰用衬垫的尺寸.钢法兰用螺旋形衬垫 繁体中文标题:法兰及其连接件.PN-标示的法兰用衬垫的尺寸.钢法兰用螺旋形衬垫 English Name:Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Spiral wound gaskets for use with steel flanges...