首 页
大学试题
CMS专题
工学
经济学
专升本
法学
教育学
历史学
更多分类
搜索
题库考试答案搜索网 > 题目详情
当前位置：
首页
>
磨削能够加工高硬度的材料是因为（ ）。
>
题目详情
问题题干
答案解析
相关问题
热门问题
最新问题
问题详情
磨削能够加工高硬度的材料是因为（ ）。
A、磨粒硬度高
B、砂轮硬度高
C、结合剂硬度高
D、砂轮组织紧密
时间：2021-09-01 19:02
关键词：
联大
河南理工大学
机械制造技术基础
答案解析
A
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.
磨削能够加工高硬度的材料是因为（ ）。
加工材料的硬度高，楔角β一般取（）。
最新问题
难加工材料主要是指切削加工性差的材料，不一定简单地从力学性能上来区分。如在难加工材料中，有硬度高的，也有硬度低的。
磨削硬度高的工件，应选用硬度高的砂轮（）
磨削不仅能加工软材料（如未淬火钢、灰铸铁等），而且还可以加工硬度很高、用金属刀具很难加工的材料（如淬火钢、硬质合金等）。（）
Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．
Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.
Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
If he is a common carrier，he is absolutely responsible to the owner of the goods carried （）any loss or damage to them unless caused by an Act of God or the Queen’s enemies，or the inherent vice in the goods themselves，or the negligence of the owner of the goods，or a general average sacrifice.
系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss，damage or delay has been caused by the improper or negligent stowage of the goods．This means that（）.
别人在看
题库考试答案搜索网 > 题目详情
题库考试答案搜索网 > 题目详情