山柚柑木材中存在菜花状的硅石聚集体，其主要成份为水和二氧化硅。

There are vegetables shape silicon stone its main composition is water and oxidize silicon.

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山柚柑木材中存在菜花状的硅石聚集体，其主要成份为水和二氧化硅。

There are vegetables shape silicon stone its main composition is water and oxidize silicon.

youdao