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首先,我热烈祝贺“全国混凝土协会”的成立!刚才肖桐部长讲了,混凝土是一种很重要的结构材料。它实际上也是最大宗的人工材料,除了木材、土、石以外,可能没有一种材料能同混凝土比拟的了。现在世界上的水泥产量为九亿吨左右,折合成混凝土,大约是45～50亿吨,人均混疑土产量已达一吨。我国人均混凝土产量远远不及此数,大概是500～600公斤,还只是世界人均产量的一半左右。混
First of all, I warmly congratulate the establishment of the “National Concrete Association”. Just now Minister Xiao Tong said that concrete is a very important structural material. It is actually the largest artificial material, and apart from wood, soil, and stone, there may not be a single material that can match concrete. At present, the cement production in the world is about 900 million tons, which is converted into concrete, which is about 4 to 5 billion tons. The per capita mixed concrete production has reached one ton. The per capita concrete production in China is far below this figure, which is about 500 to 600 kilograms, which is only about half of the world’s per capita output. mix