Analyzes the logical status of pumps and valves of the cargo system, which establishes the base of designing the monitoring software of cargo main 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。

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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》

It is worth noting that cargo transport to the station is the shuttle's main duty.

值得注意的是，空间站货物运输乃航天飞机主要职责。

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Menzies said it had completed the re-structuring of its loss-making UK cargo business, having exited four facilities and concentrated its main cargo offering on London Heathrow.

BBC: Menzies

It takes less than an hour to fly aboard a C-130 cargo plane from Kandahar to the main British military base in Helmand province.

NPR: Trip Illuminates Life on Bases Across Afghan Desert

Planes will taxi away from main airport facilities before loading precious cargo, such as art and jewels, which will take only a few minutes, according to the airport.

WSJ: Gunmen Waylay Jet, Swipe Diamond Trove