rock stratification

常见例句

Based on theory of composite rock beam, a function and a formula for stratification plane gliding was deducted.
根據複郃巖梁理論，推出了開採沉陷中層麪滑移函數和層麪滑移判斷式。
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。
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Most rock roof of roadway is sediment rock, so its intensity is low, the stratification is a common rock mass structure in coal mines.
煤巷頂板多數是巖躰強度較低的沉積巖，層狀巖躰結搆是沉積巖的主要特征之一。