基本解释泊位用率词组短语短語berth occupancy rate [水運]泊位利用率;泊位佔用率degree of berth occupancy 泊位利用率percentage berth occupancy 泊位利用率berth occupancy factor 泊位利用率berth occupancy更多词组专业释义水利工程泊位利用率辳業科學泊位利用率