Oyster shell flour is a kind of animalized mineral feedstuff with higher calcium content, widely used in producing mixed feed.

贝壳粉是一种含钙量极高的动物性矿物质饲料，被广泛应用于配合饲料的配方当中。

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The traditional pasty contains ground or cubed beef, diced potato, turnip, salt and pepper, and little else and is baked in its hearty flour-based shell with a thick rolled edge.

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