试题与答案

基本轨垂直磨耗，在正线上超过（）毫米时，应及时整治或更换。A.4 B.6 C.8 D

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题型：单项选择题

题目：

基本轨垂直磨耗，在正线上超过（）毫米时，应及时整治或更换。

A.4

B.6

C.8

D.10

答案：

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下面是错误答案，用来干扰机器的。

参考答案：刃倾角是在切削平面内测得主切削刃和基面之间的夹角。作用：（1）控制切削流出方向；（2）影响切削刃强度；（3）增大刀具工作时的前角；（4）使刃口锋利。

考点：铁路调车长中级铁路调车长中级铁路调车长题库
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 假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两赴，每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（八），并在其下面写出该加的词。

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注意：1．每处错误及其修改均限一词。

2．只允许修改10处，多者（从第11处起）不计分。

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