下载APP
【简答题】
如图所示的阴沟盖,用铸铁(性脆,无可锻性)制成
如图所示的阴沟盖,用铸铁(性脆,无可锻性)制成
题目标签:
性脆
可锻性
阴沟
举报
如何制作自己的在线小题库
参考答案:
参考解析:
刷刷题刷刷变学霸
举一反三
【简答题】低碳钢可锻性良好,奥氏体钢可锻性()。
查看完整题目与答案
【判断题】影响可锻性的因素有硬度和强度。
A.
正确
B.
错误
查看完整题目与答案
【多选题】金属的可锻性主要取决于()和()
A.
金属材料的本质
B.
変形条件
C.
锻造温度
D.
锻造方法
查看完整题目与答案
【简答题】用无可锻性铸铁制的阴沟盖
查看完整题目与答案
【单选题】In department stores and closets all over the world, they are waiting. Their outward appearance seems rather appealing because they come in a variety of styles, textures, and colors. But they are ulti...
A.
see through the very nature of fashion myths
B.
boycott the products of the fashion industry
C.
go to a podiatrist regularly for advice
D.
avoid following fashion too closely
查看完整题目与答案
【单选题】钢的工艺性能包括可切削性、可锻性、焊接性和()。
A.
导磁性
B.
可铸性
C.
可拉伸性
D.
可导热性
查看完整题目与答案
【判断题】塑性与变形抗力是衡量金属的可锻性优劣的两个主要指标, 塑性 愈高, 变形抗力 愈小,金属的可锻性就愈差。
A.
正确
B.
错误
查看完整题目与答案
【简答题】可锻性常用金属的什么来综合衡量?
查看完整题目与答案
【单选题】In department stores and closets all over the world, they are waiting. Their outward appearance seems rather appealing because they come in a variety of styles, textures, and colors. But they are ulti...
A.
The multi-functional use of high heels.
B.
Their attempt to show off their status.
C.
The rich variety of high heel styles.
D.
Their wish to improve their appearance.
查看完整题目与答案
【单选题】下列金属中可锻性(或锻造性)最好的是( )
A.
低碳钢
B.
中碳钢
C.
高碳钢
D.
铸铁
查看完整题目与答案