How can the hold-and-wait condition be prevented?
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List two ways in which the no-preemption condition can be prevented.
How can the circular-wait condition be prevented?
What is the difference among deadlock avoidance, detection, and prevention?
卷材防水屋面泛水构造中，卷材铺贴高度为大于等于( )。
A. 100mm
B. 150mm
C. 200mm
D. 250mm
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