數控機床加工壹個直徑20mm深40mm的內孔，角度是 7°，如何編寫程序？謝謝

G97S800T0101M3;

G0X22.0Z3.0M8;

G1Z0F0.3;

X20.0C0.5;

Z-41.0A-173.0;

G0U-1.0Z90.M9;

T0100;M30;