标准电阻的绝缘电阻是衡量()和外壳之间的绝缘程度.
参考答案:电阻线圈
My friend is ______ me. [ ]
A. the same like
B. the same as
C. same like
有机磷酸酯类中毒症状中,不属M样症状的是()
A.瞳孔缩小
B.流涎流泪流汗
C.腹痛腹泻
D.肌颤
E.小便失禁