短語(yǔ)詞組短語(yǔ)oil l shale 油頁(yè)巖;油母頁(yè)巖oil -shale retorting 油頁(yè)巖的乾餾oil forming shale 油母頁(yè)巖oil bearing shale 含油頁(yè)巖 返回 oil shale