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单选题
Identify the bell crank and shaft with marks to prevent incorrect installation.
A
A.Put the bell crank and shaft with identification to prevent improper installation.
B
B.Identify the bell crank and shaft with marks to prevent wrong installation.
C
C.Put the bell crank and shaft with identification to prevent wrong installation.
答案解析
正确答案：B
相关知识点：
标识曲柄轴，防错装事故
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