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单选题
1186. 重复拆装会导致自锁螺母自锁功能失效。
A
The self-locking function decays after several removal and installation.
B
Repeated removal and installation causes the self-locking nut to lose its locking feature.
C
Avoid repeated removal and installation of the self-locking nut to protect its locking feature.
答案解析
正确答案：B
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