柱怜    cylindrical flow?

圆柱函数    cylindrical function?

圆筒形喷嘴    cylindrical nozzle?

圆柱壳    cylindrical shell?

圆柱对称性    cylindrical symmetry?

柱面波    cylindrical wave?

圆柱对称的    cylindrosymmetric?

圆柱对称性    cylindrosymmetry?