普通圆柱()传动的精度等级有12个。
A.齿轮
B.蜗杆
C.体
D.零件
参考答案:B
PART ONE Question 1-8 · For questions 1-8 you will hear eight short recordings. · For each question, mark one letter (A, B or C) for the correct answer.
When will Mr Blackman come
组成中含有鲜生地、白芍的方剂是()
A.镇肝熄风汤
B.天麻钩藤饮
C.羚角钩藤汤
D.消风散
E.清营汤