用来表示开工或完工的相邻工序在时间上的分界点是()
A.任务
B.工作
C.事项
D.线路
参考答案:C
Jamie Morgan needs to accumulate $ 2000 in 18 months. If she can earn 6 percent at the bank, compounded quarterly, how much must she deposit today()
A. $1829.08.
B. $1832.61.
C. $1840.45.
粗车→半精车→精车工件外圆表面的IT值为()。
A.15
B.14
C.6—7
D.10—16