求翻译：　2.用塑料桶包装，桶盖必须盖严。贮存于通风干燥处，存贮期一年。本品为强碱性，应妥善运输。是什么意思？

　2. the plastic barrel, barrel cover to cover. Store in a dry ventilated place, storage period of one year. This product is a strong alkali, to properly transport.