小型涵管在顶进过程中，千斤顶对管节的施力点一般在管底往上D/4或2D/5（D为外径）处。
参考答案：对
– I argued with my best friend. ?
– Maybe you should say you’re sorry.
A. How was your feeling B. What would you do C. What should I do
门诊处方药量一般以（）日为宜
A．1
B．3
C．5
D．7
