编制用刀具位置偏置指令铣削如下图所示零件外轮廓的加工程序。刀具直径为φ20mm,偏置号为H01,偏置量为+10.0mm。加工路线从O点开始,经过A、B、C、D、E、F、G、H、H’、I’、I、J、A点,又回到O点。
A.Because they don’t think foxes are harmful.B.Because they think fox hunting is
A. Because they don’t think foxes are harmful.
Because they think fox hunting is cruel.
C. Because they think fox hunting is expensive.
D. Because they think the number of foxes has dropped a lot.
4.直流主轴电动机的控制系统可分为两部分:______控制部分和______控制部分。
理财资金可以投资于()。
A. 上市公司股权
B. 上市公司非公开发行的股份
C. 非上市公司股权
D. 非上市公司非公开发行的股份