混凝土砌块不仅能做承重墙体材料，而且具有古朴大方的装饰效果。９０年代后期，我国一些大中城市先后从美国贝赛尔公司、哥伦比亚公司和新西兰马斯顿机械设备公司相继引进了３０多条生产承重混凝土小型空心砌块的生产流水线，从而缩小了混凝上砌块生产与发达国家的差距。... Concrete blocks can not only be used as bearing wall materials, but also have simple and elegant decorative effects. In the late 1990s, some large and medium-sized cities in China successively imported more than 30 production lines for the production of load-bearing concrete small hollow blocks from the United States Bethel Corporation, the Colombian company, and the Marston Machinery and Equipment Corporation of New Zealand, thereby reducing the amount of coagulation. The gap between block production and developed countries. ...