结构刚性增大时,焊接残余应力也随之加大。
参考答案:对
— I was awarded a prize for doing volunteer work.
— _____. [ ]
A. You've got it
B. You deserve it
C. Good idea
D. Here we are
精神障碍二级预防的重点是早期发现、早期诊断、早期治疗,并争取疾病缓解后有良好的预后,防止复发。()