在货船的导格内堆码3层高
stack 3 layers in the guided cells of a cargo ship

Virtually all all-container ships are provided with cell guides with vertical guide rails as securing means for hold cargoes. The greatest stress the containers are exposed to stems from stack pressure. Since the containers are not connected together vertically, lateral stress is transmitted by each individual container to the cell guides When positioned in such cell guides, ...
https://www.containerhandbuch.de/chb_e/stra/index.html?/chb_...

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Note added at 9 hrs (2021-12-09 18:25:42 GMT)
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Cell guide systems on deck and in the hold
https://www.macgregor.com/Products/products/container-stowag...

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Note added at 10 hrs (2021-12-09 19:17:45 GMT)
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导格: cells with guide rails; guided cells.