捣固镐

The tamping pick is a very important accessory in tamping stopfexpress of large-scale maintaining road machinery. It is wearable and easy wasting parts. The usage cost is too high if it depends on volume import.

捣镐是大型养路机械捣固车中重要的零件，属磨损易耗件，大量依赖进口使用成本过高。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。