A.增函數(shù),正比B.增函數(shù),反比C.減函數(shù),正比D.減函數(shù),反比
A.20V~450V,小于±0.1%B.20V~450V,小于±0.2%C.15V~450V,小于±0.1%D.15V~450V,小于±0.2%
A.分接選擇器B.選擇開關(guān)C.有載分接開關(guān)D.切換開關(guān)