A.接觸網(wǎng)導(dǎo)線高度B.坡度、拉出值C.定位器坡度D.沖擊力即硬點(diǎn)E.接觸壓力,接觸網(wǎng)網(wǎng)壓
A.接觸網(wǎng)導(dǎo)線高度B.接觸網(wǎng)導(dǎo)線坡度C.接觸網(wǎng)導(dǎo)線拉出值D.接觸網(wǎng)導(dǎo)線沖擊力即硬點(diǎn)
A.集中接地B.混合接地C.單極接地D.雙極接地E.分散接地