它们是一个我们和我们身体废弃物的分离点。
They are the points at which our physical waste is excreted from our body.
树种相同，但工艺不同，纤维分离点也不相同。
Same tree species have different fiber separation points for the technologies are different.
树种相同，但工艺不同，纤维分离点也不相同。
Same tree species have different fiber separation points for the technologies are different.
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