一般电气设备缺陷包括()。
A.断路器漏油
B.触点过热变色
C.液压机构泄压
D.套管破裂
参考答案:C
To keep Chinese economy going on, the government has established an employment service system for _____ jobless urban residents, and for older laid-off and unemployed persons.
A.badly off
B.well off
C.cut off
D.paid off
脑组织的坏死属于()。
A.干性坏疽
B.液化性坏死
C.凝固性坏死
D.湿性坏疽
E.气性坏疽