large trailing suction hopper dredger
Trailing Suction Hopper Dredger
trailing suction hopper dredger DSHD
Hopper Dredger
活底挖泥船
开底式挖泥船开底挖泥船
斗式挖泥机
开底式挖泥船
斗式挖泥船
漏斗挖泥船
trailer suction (hopper) dredger
aviation trailing cable
blunt trailing-edge airfoils
Cascade Trailing Edge Loss