用casing造句

The shell casing on the ground did not match U.S.
It is reputed to comprise a carbon-fiber casing filled with tungsten powder and explosives.
Encyclopedia of Chemical Technology, 3e éd., New York, Wiley, 1978; et Sausage Casing Technology, pièce B-1.
Publications Publications dans les journaux scientifiques Articles publiés ou acceptés Jürgensen, A., King, J.R.M., Gordon, R.A., Bendell-Young, L.I., Moore, M., Crozier, E.D. The MnOx Casing of Leptothrix Discophora, Crystalline or Amorphous?
It's difficult to find casing in a sentence. 用casing造句挺难的