A.接電;斷電B.報(bào)警;接電C.報(bào)警;斷電D.接電;接電
A.壓力感受器B.拉力感受器C.壓力傳感器D.拉力傳感器
A.電流:數(shù)字B.電壓;數(shù)字C.數(shù)字;電流D.數(shù)字;電壓