Analyzes the logical status of pumps and valves of the cargo system, which establishes the base of designing the monitoring software of cargomain system.
本文分析了货油系统管路的泵阀工作状态逻辑，为货油装卸主系统的软件设计奠定了理论基础。
2
The boat calls at the main port to load its regular cargo of bananas.
船停泊在那个大港，装载其常规货物香蕉。
《柯林斯英汉双解大词典》
3
It is worth noting that cargo transport to the station is the shuttle's main duty.