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【单选题】
用FANUC 数控系统编程,对一个厚度为 10mm,Z 轴零点在下表面的零件钻孔,其中一段程序表述如下:G90G83X10.0Y20.2Z4.0R13.0Q3.0F100.0;其含义是( )。A.
啄钻，钻孔位置在（10，20）点上，钻头尖钻到 Z=4.0 的高度上，安全间隙面在 Z=13.0 的高度上，每次啄钻深度为 3mm，进给速度为 100mm/min
B.
啄钻，钻孔位置在（10，20）点上，钻削深度为 4mm，安全间隙面在 Z=13.0 的高度上，每次啄钻深度为 3mm，进给速度为 100mm/min
C.
啄钻，钻孔位置在（10，20）点上，钻削深度为 4mm，刀具半径为 13mm，进给速度为 100mm/min
D.
啄钻，钻孔位置在（10，20）点上，钻头尖钻到 Z=4.0 的高度上，工作表面在 Z=13.0 的高度上，刀具半径为 3mm，进给速度为100mm/min
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举一反三
【单选题】Response.write(string)方法的简写语句是：()
A.
write(string)
B.
< %string%>
C.
< %=string%>
D.
<=string>
【多选题】模具的使用要求除了对编号和组装有要求外,还对
A.
模具的清洁要求
B.
模具板面平整要求
C.
吊模等部件的拆除要求
D.
D 、 模具的拆除要求
E.
模具的养护要求
【单选题】听力原文：W: You seem to have a lot of work at your office. You are always staying late and working overtime. M: That's true, but it's no better to me, I don't mind the extra hours at all. Q: How does the ...
A.
He hates it.
B.
He's indifferent toward it
C.
He minds all the overtime.
D.
He enjoys it.
【简答题】完形填空。 There are many kinds of friends. Some are always 1 you, but don't understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only 2 friends lea...
【单选题】You are always ______fault with what I do.
A.
thinking
B.
seeking
C.
discovering
D.
finding
【简答题】You are not yet experienced because ____. A. you don’t know where to begin B. you want to begin at the head instead of beginning at the tail C. you always asked question D. you do not trust to your ow...
【简答题】String s = new String(xyz)创建了几个String Object
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