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1·Package: Packed by plastic barrel or tank wagon.

¡液体三氯化铁包装：塑料桶或槽罐。

2·It was not unusual to find him playing and racing around his backyard, wearing his medicine-laden backpack and dragging his tank of oxygen behind him in his little wagon.

经常能发现他背着装药的背包和拖着载有氧气罐的小车在他家后院玩耍奔跑。