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[单选题]
BC005磨铣扩径工艺技术广泛应用于通径大于()错断井段修复和机械整形后套管损坏部位的修整和取直
A.80mm
B.85mm
C.90mm
D.100mm
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C、90mm
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.80mm
B.85mm
C.90mm
D.100mm
C、90mm
A.Z型封隔器
B.S筛管
C.套管或T
D.Y型封隔器
E.无磁套管或Y型封隔器
对于错断状况,视错断通径大小与错断类型适当选用整形器复位或()铣鞋修磨复位。
A.内齿
B.外齿
C.锥形
D.领眼
A.1mm
B.2mm
C.3mm
D.4mm
A.N≤150mm
B.N≤200mm
C.N≤250mm
D.N≤300mm