常見(jiàn)例句雙語(yǔ)例句Structural Steel Products: Angle, Channel, I-beam & Deformed Bars, Steel Plate, Pipe Etc.鋼鉄五金建築材料（如鉄板、角鉄、皂鉄、扁鉄、花鉄、工字鉄、水喉琯等等）。www.s-cba.org.sg 返回 deformed channel steel