常見(jiàn)例句雙語(yǔ)例句The oil shale on the surface show opening foliation, abundant pore volume and low density because of less overburden pressure.地表油頁(yè)巖由於覆壓減小等影響，頁(yè)理張開(kāi)、孔隙增加、密度減小。xuebao.jlu.edu.cn 返回 pressure foliation