港口要取得最佳经济效益,就要以尽可能少的活劳动消耗和物化劳动消耗,在确保安全、完整、及时、经济和服务这“五性”的基础上,完成尽可能多的装卸任务,从而满足广大货主和运输市场的需要。由于装卸成本在营业成本中所占比重极大(如连云港第一杂货作业区86年达93.6%以上),同时 In order to achieve the best economic benefits, it is necessary to complete as much as possible loading and unloading tasks on the basis of ensuring the safety, completeness, timelyness, economy and service of the “five attributes” based on the minimum possible labor consumption and materialized labor consumption. In order to meet the needs of the vast number of owners and transport markets. As the loading and unloading costs account for a large proportion of operating costs (such as Lianyungang first grocery operations area of ​​86 years, up 93.6%), at the same time