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一、行业发展历程混凝土与钢筋混凝土排水管具有抗外压强度高、耐久性好、使用寿命长、生产成本低、制作方便、价格便宜等独特优点,在国内外的城镇建设、市政公路建设、农田水利建设、电力和铁路工程建设及综合管廊建设中得到大量应用。我国钢筋混凝土排水管行业伴随着国家基本建设的发展,几十年来经历了从小到大,从少到多,从落后到先进的不断发展过程。混凝土与钢筋混凝土排水管行业为我
First, the industry development course Concrete and reinforced concrete drainage pipe has the advantages of high strength against external pressure, durability, long life, low production costs, easy production, cheap and other unique advantages in urban and rural construction at home and abroad, municipal road construction, Farmland water conservancy construction, electric power and railway construction and construction of a comprehensive gallery has been a large number of applications. China’s reinforced concrete drainage pipe industry along with the development of national capital construction, decades have experienced from small to large, from less to more, from backward to advanced continuous development process. Concrete and reinforced concrete drainage pipe industry for me