用煤焦油制成的

A white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant.

一种白色、晶状、气味刺激的碳氢化合物，用煤焦油或石油制成，用于有机合成或作熏剂。

Tarred canvas is used for tarpaulin s to cover goods.

用亚麻和棉制成的帆布涂以煤焦油后，被大量用来覆盖货物。

Tarred canvas is used for tarpaulins to cover goods.

用亚麻和棉制成的帆布涂以煤焦油后，被大量用来覆盖货物。

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。