![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
压入式模座,导柱、导套与上下模座之间的配合均采用()配合连接。
A.H7/h6或H7/s6
B.H7/r6或H7/s6
C.H6/s7或H6/r7
D.H7/s6或H7/h6
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.H7/h6或H7/s6
B.H7/r6或H7/s6
C.H6/s7或H6/r7
D.H7/s6或H7/h6
A.压人时应将气门座冷缩或将气门座孔部位加热
B.气门座在压入后,再用点冲法将座孔周围冲压使其内收少许
C.用点焊法固定
D.采用较大的过盈配合