Warning: file_put_contents(/home/www/wwwroot/zidian/69228.com/cache/5ce2b2b5b979e84946e624199e3fa54d.txt): failed to open stream: No space left on device in /home/www/wwwroot/zidian/69228.com/index.php on line 55 人妻五月天精品一区,337p日本欧洲中国大胆精品
Emergency and standby power status indicators. 緊急和備用電源狀態(tài)指示器。
Beijing Electric Power Co. said it had 3,000 workers on standby in case of emergency. 北京市電力公司說，已經(jīng)安排3，000人在崗值班，以應(yīng)對突發(fā)情況。
Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply. 以往經(jīng)常用自備柴油發(fā)電機(jī)組、蓄電池、乾電池和鎳鎘電池應(yīng)急燈作爲(wèi)應(yīng)急備用電源。