查询词典 expansion bolt

The result of the theory analysis and test study determines the important parameters and action law of the detonating fuse , metal flat tube ,notch bolt and separation plate in the separation device of the expansion tube.

2通过理论分析和试验研究，确定了膨胀管分离装置中导爆索、金属扁平管、凹口螺栓、分离板的重要参数和作用规律。

And the key parameters of the notch bolt type and the separation plate type expansion tube are depend on the system study....

2通过理论分析和试验研究，确定了膨胀管分离装置中导爆索、金属扁平管、凹口螺栓、分离板的重要参数和作用规律。

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。