overcasting造句
It'sovercastingforrain.LoosecoveringlayerthatconsistedofwatercontainingfinepowdersandlayerwasencounteredintheovercastingatZhaodianziIronMine....
It'sovercastingforrain.LoosecoveringlayerthatconsistedofwatercontainingfinepowdersandlayerwasencounteredintheovercastingatZhaodianziIronMine....