<P 0cm 0cm 0pt">再问:当加工中心的刀具在执行<FONT face="Times New Roman">G00</FONT>:如走<FONT face="Times New Roman">G00</FONT>,<FONT face="Times New Roman">X100Y120Z160</FONT>则此时的刀具轨迹是<U> </U>直线。</P><P 0cm 0cm 0pt"><FONT face="Times New Roman">A</FONT>.一条<FONT face="Times New Roman"> B. </FONT>二条<FONT face="Times New Roman"> C. </FONT>三条</P>