基本解釋佔(zhàn)線繼電器詞組短語短語busy test relay 佔(zhàn)線繼電器group -busy relay 組忙替續(xù)器make busy relay 閉塞繼電器all busy relay 全忙繼電器make -busy relay 閉塞繼電器busy relay更多詞組專業(yè)釋義動(dòng)力與電氣工程佔(zhàn)線繼電器電子、通信與自動(dòng)控制技術(shù)佔(zhàn)線繼電器