n.霍香之一种
The steel reinforcement is then prefabricated into cages, which are lowered by crane into position through the betonies mud. 接着,起重机将预制钢筋笼穿过泥浆,下到地槽中
The new type super fine organic double crossing modified betonies clay has been selected as provincial innovative and high technology products. 超细有机复配改性膨润土为省级高新技术产品,保证了公司产品在国内外同行业产品的领先地位。
