平板式制动梁滑槽磨耗板和卡人式滑槽磨耗板磨耗深度大于（）时更_爱下问搜题

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问题单项选择题

平板式制动梁滑槽磨耗板和卡人式滑槽磨耗板磨耗深度大于（）时更换新品。

A、1mm

B、1.5mm

C、2mm

D、3mm

答案

参考答案：D

选择题

— Excuse me. What did you say you would like to do, Miss White?
— I said I'd better go back to the office. I ______ someone this afternoon.

A. would meet
B. met
C. am going to meet
D. was meeting

单项选择题

解决档案的客观状况与人们利用要求之间的矛盾是编研工作的（）。

A、客观基础

B、首要条件

C、根本原则

D、基本目的