长期过热一般超温幅度不大,过程缓慢的失效形式。但有时超温幅度会很高,甚至高于相变点()
参考答案:错
—What a heavy rain !
—So it is. I prefer ________ at home ________on such a rainy day. [ ]
A. watch TV; to go out
B. watch TV; go out
C. watching TV; to going out
D. to watch TV; going out
扫描光照强的条码识读器是()扫描器。
A.笔式
B.手持式
C.激光
D.台式