当残余应力是以热应力为主时，厚薄不均匀的T形梁铸件变形规律是：厚的部分向内凹，薄的部分向外凸。
参考答案：对
—When is your birthday?
—______ [ ]
A. I was born in 1994.
B. I was born in Shanghai.
C. It's on 8th August.
D. I have a birthday party every year.
农业小气候
