基槽开挖后，船舶定位抛石成基床，用平台式基床抛石整平船将基床整平。

After a foundation trench is excavated, a ship is located by riprapping to form the foundation bed, and the foundation bed is leveled by a platform type foundation bed riprapping leveling ship.

youdao

基槽开挖后，船舶定位抛石成基床，用平台式基床抛石整平船将基床整平。

After a foundation trench is excavated, a ship is located by riprapping to form the foundation bed, and the foundation bed is leveled by a platform type foundation bed riprapping leveling ship.

youdao