功效活血调经,利水消肿,清热解毒的药物是( )
A.五灵脂
B.益母草
C.郁金
D.没药
E.艾叶
参考答案:B
We're trying to ring you back, Bryan, but we think we_________ your number
incorrectly.
A. looked up
B. took down
C. worked out
D. brought about
采用联合接地体时,接地电阻不应大于1Ω;单独设置接地体时,接地电阻不应大于4Ω。()