以下仪器中可以测量出被试设备绝缘受潮、劣化的是()。
A.直流电阻仪
B.兆欧表
C.回路电阻仪
D.变比测试仪
参考答案:B
At no time the rules of the game.It was unfair to punish them.
A.they actually broke
B.do they actually break
C.did they actually break
D.they had actually broken
风湿热痹的主要症状是()
A.关节瘦痛,游走不定,屈伸不利
B.关节疼痛较剧,痛有定处,得热痛减,遇寒痛增
C.肢体关节重着、瘦痛,或肿胀
D.关节疼痛,局部灼热红肿
E.关节红肿,疼痛剧烈,入夜尤甚,壮热烦渴