蜗杆零件图中,其齿形的分头误差在( )mm。
A.0.2
B.0.02
C.0.05
D.±0.1
参考答案:C
—You are a good boy!
—_____.[ ]
A. No, I'm not good.
B. Yes, I'm a good boy.
C. Thank you.
D. You are good, too.
大黄能苦降泄热,止血,最宜用于()。
A.冲任虚寒,崩漏下血
B.血热妄行,崩漏下血
C.血热尿血、血淋
D.脾不统血,血痢、便血
E.血热吐血、衄血、咯血