floor rock meaning in Chinese

底板岩石

The investigation and study showed that caused by the influencing factors of unit of tectonics , structures of floor rock stratum , conditions of landform , seismic intensities , fault , thickness of malan loess , the distribution of seismic loess landslides is very asymmetrical , which mainly show shapes of patch , belt , line , and there are different development characteristics in different regions
现场调查显示，受大地构造单元、基底岩层结构、地形地貌条件、地震烈度、断裂构造和马兰黄土临空厚度等因素影响，地震黄土滑坡的展布形态较为复杂，在空间上分布很不均匀，常表现为片状、带状和线状展布，并在不同区域有不同的发育特点。
Through analyzing on the different phenomena of gas pouring amount at different coal seam , different area at the same seam , different position at the same area , the coal thicknss , inclined angle , structure , roof and floor rock character and water content in coal est . geology factor are regarded as the main reason of effecting the gas pouring amount
通过对不同煤层，同一煤层不同区域，同一区域不同地点瓦斯涌出量有很大差异现象的分析，认为煤层厚度、倾角、构造、顶底板岩性、煤中水分等地质因素是影响瓦斯涌出大小的主要原因。