base course

1 Therefore, he laid a base course of crushed stone on top of a compact footing instead of the costly stone foundation.

因此他就在压紧的路基上铺碎石基层，而不使用造价很高的石块路基。

2 The analytical results show that it is possible for the stabilized slaking mudstone to be used as base material.

研究表明，泥岩泥化物纤维固化体具有较好的强度与抗变形特性，可作为巷道路面的基层材料。

3 Some of the mobilized elements may be reprecipitated at the base of the soil profile.

某些移出的养分可能在土壤剖面底层重新沉淀下来。

4 Lithographic plate where the printing image area base is usually brass or copper, and the non-printing area is usually stainless steel or chromium.

印纹部份常用黄铜或铜为底层，非印纹部份常用不绣钢或铬为面层的柯式印版。

5 A base course is the layer immediately under the wearing surface.

磨耗层之下的铺筑层被称之为基层.

6 This paper includes several research of testing methods related to semirigid base course.

本文首先开展了与无机结合料稳定粒料土基层材料相关的试验方法研究.

7 Because the base course lies close under the pavement surface, it is subject to severe loading.

因为基层紧紧位于面层之下, 所以在重压之下容易被破坏.

8 The research results shows lime fly - ash base course possesses a series of construction characteristics.

研究结果显示石灰粉煤灰材料具有一系列的施工特性.

9 Coal gangue can be used as pavement base course materials of the roads in mining area.

粉煤灰含硫量对路面基层的强度和稳定性有重要影响.

1 底层

underneath base basement substrate mezzanine basement storey