The structure of the 2~# POC dry blast furnace gas (BFG) holder at SISG is described, and measures of improving the holder are introduced based on the experience with operating the 1~# POC dry gas holder.是什么意思_The structure of the 2~# POC dry blast furnace gas (BFG) holder at SISG is described, and measures of improving the holder are introduced based on the experience with operating the 1~# POC dry gas holder.在线翻译_英语_读音_用法_例句