板岩

Only a skilled workman can split slate into layers.

只有能工巧匠才能把板岩劈成石片。

The Shuangwang gold-bearing albitite zone, which is composed of stratabound albitite, albitite breccia occurred conformably in the Xinghongpu Group, Devonian silt-slate.

双王含金钠长石岩带主要为层状，产于泥盆系星红铺组粉砂质板岩中。

The combination of convex and plank with sunblind engraving, gives you a beautiful external appearance of building ,and anancient,steady feeling .

凸面板岩,与窗檐雕刻,人予美建筑外,一种古朴、自然、沉觉.

New 730E frother was used in the flotation tests of common oxidized copper ore, oxidized copper ore with high combination rate and carbonaceous slabby rock copper ore of Tangdan Copper Mine.

采用730E新起泡剂对汤丹铜矿一般氧化铜矿、高率氧化铜矿和碳质板岩铜矿3种矿样进行了浮选试验。