尽管压缩可以节省磁盘空间，但是也会增加工作量。
可使钢材承受更大的变形及压缩，可以加工更多更好地标准件，如台阶螺丝或变形量较大的螺丝等。
Can give the steel ability of the more deformation and compression, can process more and better standard parts, such as steps screws or other screws with large deformations, etc.
该机床具有旋压切断功能，特别适用于压缩机壳体等大型圆柱薄壁筒形件的切断加工。
It has the functions of spinning and cutting, especial ly available to cut off big thin-wall cylindrical workpiece such as the shell of compressor.
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