A.電源 B.測試儀表 C.開關(guān) D.轉(zhuǎn)接元件
A.普通接點(diǎn)與普通接點(diǎn)間應(yīng)不大于0.2mm B.普通接點(diǎn)與普通接點(diǎn)間應(yīng)不大于0.4mm C.加強(qiáng)接點(diǎn)與加強(qiáng)接點(diǎn)間應(yīng)不大于0.2mm D.加強(qiáng)接點(diǎn)與加強(qiáng)接點(diǎn)間應(yīng)不大于0.1mm
A.出站信號(hào) B.進(jìn)站信號(hào) C.通過信號(hào)機(jī) D.調(diào)車信號(hào)