oil-shale的意思|示意

A classification table of oil shale ash composition is given out.

提出了油页岩灰分成分的分类表。

Oil shale (or kukersite) and limestone deposits, along with forests which cover 47% of the land, play key economic roles in this generally resource-poor country.

沿着林区，覆盖整个陆地面积47%的油页岩(位于kukersite)和石灰岩矿藏在这个资源匮乏的国家的经济中扮演了重要的角色。

Estonia, Germany, China and Israel have the oil shale combustion enterprises for producing steam and power.

此外、爱沙尼亚、德国、中国和以色列则拥有油页岩燃烧产蒸汽发电的工业装置。

Besides, Estonia, China, German, and Israel have the oil shale combustion equipment for producing power.

此外，爱沙尼亚、德国、中国和以色列则拥有油页岩燃烧产蒸汽发电的工业装置。

It is pointed out that there are abundant resources of oil shale which accompany coal in Tanshan , Guyuan , Ningxia , West-China.

前人及我们最近的研究结果表明：宁夏固原炭山地区存在大量的与煤伴生的油页岩资源。

We must find economical methods for extracting oil from shale.

我们必须找到从页岩中采油的经济方法。