Repairs yards have equipment totally different from newbuilding yards. Their dry-docks are deeper; a ship in operation is heavier and has consequently more draught than an empty newly built hull.翻译为: 船舶修理厂与造船厂的设备有很大区别。干船坞要更浅一些,这是因为航运中的船舶重量要比新造船大,吃水也要更深一些。