113. 圓弧切削如下圖所示,下列選項何者正確?
(A)G90 G18 G3 X-15.0 Z0 I15.0;
(B)G90 G19 G3 X-15.0 I-15.0;
(C)G91 G18 G2 X-30.0 I-15.0;
(D)G91 G19 G2 X-30.0 I15.0。

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統計: A(3), B(2), C(19), D(3), E(0) #1221910
統計: A(3), B(2), C(19), D(3), E(0) #1221910