CA6140型车床横向标准进给量的范围是()mm/r。
A.0.04~0.7
B.0.03~0.7
C.0.04~0.8
D.0.04~0.795
参考答案:D
This design is ________ satisfactory.So you’ll have to try your best to better it.
A.nothing but
B.anything but
C.all but
D.everything but
腰椎间盘突出症常见于
A.青壮年
B.少年
C.妇女
D.老年
E.无年龄区别