铜锌铁合金

Raw Materials, Accessory Materials, Casting Apparatus, Sand Preparation, Casting Tectorial Membranes, Casting Coatings, Resin, Solidified Agent, Aluminum, Zinc, Copper Alloy, Alloy Spindle, Compound Deoxidizers, Cleansing Agent, Agglutinant, Ferroalloy, Thermal Insulation Material and other Casting Material, etc.

各种原材料、辅助材料、铸造用焦及铸造用品、型砂、铸造用覆膜沙、铸钢丸涂料、树脂、固化剂、膨润土焦炭、铝、锌、铜合金、合金锭、孕育剂、球化剂、蠕化剂、复合脱氧剂、偶联剂、脱模剂、清洗剂、胶合剂、修补剂、铁合金、耐火材料等其它铸造材料

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。