shifting berth meaning in English

加水移泊费
移泊

The ship may omit calling at any port or ports whether scheduled or not , and may call at the same port more than once ; may for matters occurring before loading the goods , known or unknown at the time of such loading and matters occurring after such loading , either with or without the goods or passengers on board , and before or after proceeding toward the port of discharge , adjust compasses , dry dock , with or without cargo aboard go on ways or to repair yards , shift berths , make trial trips or tests , take fuel or stores , remain in port , sail with or without pilots , tow and be towed , and save or attempt to save life or property ; and all of the foregoing are included in the contract voyage
船舶可不停靠任何港口，不论其是否列在航程表上，且可多次停靠同一港口；可因装货前所发生的事务，不论装货时是否知情，和因装货后发生的事务，不论货物或旅客是否在船上，在抵达卸货港前后，调整航向，驶入船坞，不论是否载有货物启程或驶向修理工厂，移泊，进行试航或试验，装载燃料或储存品，停滞在港，是否引水，牵引或被牵引，救助或试图救助生命或财产；上述所有事项均包含在航程合同之中。