粘质页岩

clay mineral

loamy clay【土壤】

montorillonite clay

reinforced block floor, prestressed clay floor (Stahlton floor), reinforced brick floor

bleaching clay【化工】;decoloring clay【化工】

shaping concrete, clay, gypsum and the like by means of slide finishers

clay mixer

putting inserts, feeding in moulds for concrete, clay, gypsum