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[多选题]
2000kg级索道工作索的牵引索。牵引索适宜选用线接触或者面接触同向捻钢丝绳,它的钢丝公称抗拉强度不宜小于()。牵引索的直径应当不小于()mm。最小张力应保证钢丝索不落地且在驱动轮上不出现打滑现象。
A.1670Mpa
B.1770Mpa
C.16
D.18
查看答案
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A.1670Mpa
B.1770Mpa
C.16
D.18
A.1670Mpa
B.1770Mpa
C.16
D.18
A.-20℃~40℃
B.-15℃~30℃
C.-20℃~35℃
D.-15℃~35℃
A.3~6min
B.4~7min
C.5~8min
D.6~9min
A.1000
B.1200
C.45˚
D.50˚