问题题干答案解析相关问题热门问题最新问题

问题详情

砂轮的硬度是指

A、磨粒的硬度

B、结合剂的硬度

C、结合剂粘结磨粒的牢固程度

D、磨粒和结合剂硬度的总称

时间：2021-09-01 20:52 关键词：联大河南理工大学机械设计制造及其自动化金属工艺学

答案解析

C

相关问题

boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.