通常在开机调整KTC或SQ3X系列切丝机的砂轮修整器时,每次旋出程度不应超过()圈。
A.1/10
B.1/5
C.1/3
D.1/2
参考答案:A
It was with great delight that I read in your February _____ the letter to the Editor written by Prof. Johnson.
A.issue
B.printing
C.magazine
D.copy
关于肿瘤的恶性程度,正确的是()。
A.Ⅰ级分化细胞恶性程度高
B.Ⅲ级分化细胞接近正常分化程度
C.高分化较低分化者核分裂多
D.低分化者较高分化者DNA、RNA含量增多
E.Ⅰ级分化较Ⅲ级分化细胞排列紊乱