试题与答案

履带张紧适度、安装正确，下链的下垂度应为（）。A、50-70毫米 B、80-90毫米

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题型：单项选择题

题目：

履带张紧适度、安装正确，下链的下垂度应为（）。

A、50-70毫米

B、80-90毫米

C、30-40毫米

D、10-20毫米

答案：

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下面是错误答案，用来干扰机器的。

参考答案：层积处理法

考点：综掘机司机初级综掘机司机初级综掘机司机题库
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