查询词典 hydraulic excavation

In order to solve the problems of dewatering and hydraulic connection among the multi-aquifer system in the excavation of the pits of the Dasi deep well gate and the lock gate,pumping tests were conducted in the field and the characteristics of groundwater transport in the ③_2 and ⑤ find sands were analyzed.

为了解决大寺深孔闸、船闸基坑开挖时的降排水工作及多层含水层的相互联通关系，我们进行了现场抽水试验，查明了拟建场地地基土③2层极细砂和⑤层极细砂的地下水运移特征，提出了基坑开挖应采取的排水措施。

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。