干船坞；

1. 干坞：drydistillation干馏 | drydock干坞 | dryfriction干摩擦

1. a large dock from which water can be pumped out
    used for building ships or for repairing a ship below its waterline

    Synonym: dry dockgraving dock

1. maneuver (a ship) into a drydock

    Synonym: dry-dock