（）针对直接关系型群体。
A.缘故法
B.介绍法
C.陌生拜访法
D.电话约访法
参考答案：A
In relation to company law, explain:
(b) the circumstances under which both a private and a public company can reduce its capital and the procedure to be followed. (6 marks)
气动夯管锤铺管法和导向钻进法都属于非开挖管线工程施工技术，一般适用于管径小于( )mm的管线铺设工程。
A．600 B．800 C．900 D．1200
