塑料复合管 meaning in Chinese

frp-plastic composite pipe

Application of composite steel skeleton reinforced plastic pipe
钢骨架增强塑料复合管及其应用
Stainless steel - plastic composite pipes
不锈钢塑料复合管
Steel frame - plastic complex pipe and its application in water supply and drainage of metallurgic enterprises
钢骨架塑料复合管及其在冶金企业给排水中的应用
Technical specification for extra - thin - wall stainless steel and plastic composite pipeline engineering of building water supply
建筑给水超薄壁不锈钢塑料复合管管道工程技术规程