Sponge rubber heel cushion.

海绵橡胶鞋跟垫。

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We use a "sponge rubber ball on-load cleaning system".

我们使用的是“海绵胶球带负荷清洗系统”。

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Sponge rubber, which the seal is made up of, is a large deformation nonlinear elastic material.

海绵橡胶是密封条的重要组成部分，是一种可压缩的大变形非线性弹性材料。

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For the sponge, using a rubber spatula, combine the 3 cups flour, yeast, milk, sugar, and soft butter in a mixer bowl or another large bowl.

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