shale

页岩,泥板岩英释中释na smooth soft rock which breaks easily into thin flat pieces

1 oil shale,n. [地]油页岩

2 black shale,黑色页岩

3 shale shaker,振动筛；泥浆振动筛

4 shale oil,n. 页岩油

5 carbonaceous shale,碳质页岩；炭质页岩