variegated silk造句

• The main raw materials used include steel products, timber, chemical products, machine parts, electronic components, new material, new techniques, new technologies and cable materials, all kinds of variegated silks for decoration, etc
  它所使用的主要原材料：钢材、木材、化工、机械控制配件、电子元器件、新材料、新工艺、新技术及线缆原铺材料、各种彩绸装饰材料等。