In designing a logistical system, a delicate balance must be maintained betweentransportation cost and（）
A、materialhandlingD
暂无解析
Loading and unloading costs, bunkers, stores and crew costs are all fixed costs.
Logisticaloperationscanbedividedinto（）.
AVoyageCharterPartymainlycontainsthe（）.
Piggybackisasystemofunitizedmultimodallandtransportby（）.
Inaircargotransport,eachconsignmentisidentifiedbytheAWBnumber.
