短語詞組短語coating plastic steel pipe 涂塑復(fù)合鋼管Plastic spiral pipe 塑料螺旋管Plastic cement pipe 塑膠管Nylon Plastic Corrugated Pipe 尼龍塑料波紋管plastic clad pipe 塑料復(fù)合管Underground plastic drain pipe 埋地塑料排水管道plastic c pipe 塑料管flat plastic corrugated pipe 塑料扁波紋管 返回 plastic pipe