压力容器上焊接的临时吊耳和拉筋垫板等的材质及焊接时所用焊条只要与容器壳体材质一致,割掉后打磨即可。
A. 对
B. 错
Tom'spart-timejobexperiencewasvery(value)__________tohisjobhuntingwhenhegraduated.
They had (installation) ____________ a new phone line in their apartmen
下列哪个选项是panic()对程序的执行的影响。
A. 延迟
B. 中断
C. 恢复
D. 继承