The youth of our country are often compared to the rising sun .
目前国内火电厂烟囱钢内筒施工常采用液压顶升倒装法、气压顶升倒装法、卷扬机提升法和悬索液压提升法。
Some chimney in He nan applies concrete outer cylinder structure with internal steel tube , which adopts construction of wire-rope hydraulic lifting equipment .
常升