土石过水围堰
Overflow Earth-rock Cofferdam
土石子围堰
earth-rock filled cofferdam
土石围堰
earth rockfill cofiierdam
earth rockfill dam
Earth-rock Fill Cofferdam
soil-sand cofferdam
Earth-rock Cofferdam
cofferdam
Earth-rockfill Cofferdam
铜围堰安装
steel cofferdam installation
套箱与围堰结合
combination of collision case and cofferdam
锁口钢管桩围堰
Interlocking steel tube pile cofferdam
水电站围堰
cofferdam of hydroelectric project
双壁钢围堰
double-wall steel cofferdams
double wall steel cofferdam
dual-walled steel cofferdam
Double-wall Steel Cofferdam
双壁钢套箱围堰
Double-wall Steel Boxed Cofferdam
steel cofferdam with double wall pouring jacket
双壁钢吊箱围堰
Double-wall Steel Cofferdam
Double-wall Steel Boxed Cofferdam
double-walled steel boxed cofferdam
double-wall steel suspension cofferdam
竖向分条双壁钢围堰
vertical slicing rectangular double-walled steel c
Vertical Slicing Rectangular Double-walled Steel Cofferdam