![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
XT-12通井机在3×4游动系统时的大钩最大拉力是()kN
A.664.55
B.646.55
C.747.55
D.764
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、646.55
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.664.55
B.646.55
C.747.55
D.764
B、646.55
XT-12履带式通井机滚筒直径是()。
A.350mm
B.360mm
C.370mm
D.380mm
XT-12履带式通井机所用发动机型号是()。
A.6135AKN
B.6135AK-6
C.6135AK-8
D.6135AK-10
XT-12履带式通井机钢丝绳最大拉力为()。
A.100kN
B.80kN
C.120kN
D.150kN
A.2
B.4
C.6