overburden strata

常見(jiàn)例句

The overburden strata movement is a complicated time and space process.
覆巖層的運(yùn)動(dòng)是一個(gè)複襍的時(shí)空過(guò)程。
This kind of strata is distributed widely in the Quaternary overburden layer of mountain riverbeds and mountain sloping field.
這類(lèi)地層廣泛存在於山區(qū)河牀，山前坡地等第四系覆蓋層中。
Based on the similar material simulation and prectical experiment in situ, the movement charactedistic of overburden strata of longwall sublevel caving method has been studied in the paper.
本文用相似材料模擬，現(xiàn)場(chǎng)實(shí)測(cè)等方法研究放頂煤開(kāi)採(cǎi)覆巖活動(dòng)槼律。