A.正極、負(fù)極之分,不能接反了 B.有正極、負(fù)極之分,但可以隨便接 C.沒有正極、負(fù)極之分,可以隨便接 D.沒有正極、負(fù)極之分,但對(duì)連接導(dǎo)線有要求
A.電勢(shì)信號(hào) B.電阻信號(hào) C.電流信號(hào) D.壓力信號(hào)
A.0.5%~±l.0% B.+1.0%~±1.5% C.±1.5%~±2.0% D.+1.0%~±2.0%