支架
参考答案:
固定在建筑物或任何构筑物上的一种小型金具。
The doctor had almost lost hope at one point, but the patient finally .[ ]
A. pulled out
B. pulled through
C. pulled up
D. pulled over
机房内工作温度的范围是()。
A.-15℃~+50℃
B.-10℃~+55℃
C.-25℃~+55℃
D.-35℃~+50℃