bridgebuilding造句

• We have successfully supplied the breaking equipment and other special machines for roadbuilding and bridgebuilding with excellent quality for building highway in capital airport, huning, shenshan, cheng ya, huanghuang, jingzhu, baodong, xulian, ganyue, hangjinqu, hexu and others
  上海林沪集团专业设计生产“山友”牌系列碎石筛分成套联合设备，科技含量高，广泛应用于国内外选矿石场建材硅酸盐和化学工业等已建在建项目。