引起骨筋膜室综合征的主要发病机制（）
A.骨筋膜室内压高
B.肌肉痉挛
C.细菌繁殖过盛
D.血管内膜损伤
E.主要神经损伤
参考答案：A
Under the environment of fierce competition, the only way John could imagine ________ stress
was to get tougher by making greater efforts. [ ]
A. handling
B. to handle
C. handled
D. having handled
井下鼠笼异步电动机的轴承（滚动）温度不能超过75°。（）
