皮皮学，免费搜题
登录
搜题
【简答题】
合金渗碳钢的含碳量属 ______碳钢范围,淬火+低温回火后能保证钢的心部具有良好的______ 。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】I've thrown away my old trousers. I'll have to buy______.
A.
some new pair
B.
a new one
C.
some new ones
D.
a new pair
【单选题】I've thrown my old shoes away. I'll have to buy _______.
A.
a new pair
B.
a new one
C.
some new
D.
some new pair
【单选题】 I’ve thrown away my old trousers. I’ll have to buy________.
A.
a new pair
B.
a new one
C.
some new
D.
one
【单选题】I've thrown my old shoes away. I'll have to buy _____.
A.
a new pair
B.
a new one
C.
some new
【单选题】----I’m afraid I’ve broken your cup. ----______________, it was old and I was going to throw it away.
A.
Never mind
B.
Don’t mention it
C.
Forget that
D.
How come
【单选题】A: I'm so sorry. I shouldn't have thrown your violin away. Why didn't you tell me it was a birthday present from your Dad? B: ______What is done is done.
A.
No problem.
B.
Don't worry.
C.
Forget it.
D.
That is fine.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
