Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/1aa6ba11547780dd819aed2440cbe971.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 automatic block signal例句_automatic block signal英汉例句_automatic block signal双解例句_绍翊字体网有道词典
Railway automatic blocking and continuous transmission lines (RABCL) supply power for the railway automatic blocking signal and the loads along the lines, etc. 自动闭塞和电力贯通线路为铁路沿线自动闭塞信号及车站负荷等提供电源。