我首先对贵刊创刊二十周年表示衷心祝贺。《建筑机械化》的特点大致有以下四个方面 :一曰精专 ,专栏致力于建筑机械行业方向 ,不在其它方面徒然花费过多精力 ,理论上有深度 ,实践上也能够有助于行业人员很好地借鉴 ,逐渐形成了在业内的影响。二曰新鲜 ,专栏依托于建设部、中国 First of all, I would like to express my heartfelt congratulations on the 20th anniversary of the publication of your journal The characteristics of “Mechanization of Construction” can be roughly divided into the following four aspects: one is dedicated to precision, the column is devoted to the direction of the construction machinery industry, and it does not take too much effort in other aspects. In theory, there are depths. In practice, it can also help industry personnel With good reference, it gradually formed its influence in the industry. The second is fresh, the column relies on the Ministry of Construction, China