常见例句双语例句Structural Steel Products: Angle, Channel, I-beam & Deformed Bars, Steel Plate, Pipe Etc.钢铁五金建筑材料（如铁板、角铁、皂铁、扁铁、花铁、工字铁、水喉管等等）。www.s-cba.org.sg 返回 deformed channel steel