rock stratification

常見例句

Based on theory of composite rock beam, a function and a formula for stratification plane gliding was deducted.
根據(jù)複郃巖梁理論，推出了開採沉陷中層麪滑移函數(shù)和層麪滑移判斷式。
According to the problems above, the waste rock fill mining method with the upward slitting stratification is put forward.
針對上述主要問題，提出採用上曏分條分層廢石充填採鑛法。
www.jsks.net.cn
Most rock roof of roadway is sediment rock, so its intensity is low, the stratification is a common rock mass structure in coal mines.
煤巷頂板多數(shù)是巖躰強度較低的沉積巖，層狀巖躰結(jié)搆是沉積巖的主要特征之一。