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单选题
289、Make sure that the wire is in the position to cause the parts to lock. 确保电线处于使部件锁住的位置
A
Make sure the wire in this position is able to unlock the parts.
B
The wire must be positioned so that the parts can oscillate freely.
C
Ensure the wire is positioned to create a locking motion on parts.
答案解析
正确答案：C
相关知识点：
电线位置致部件锁，选C莫差
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