Reefy boundstone or framework commonly contains large cavities formed through rapid organic growth.
礁结岩成骨架中通常有大洞,是由于生物快速生成形成。
Reefy boundstone or framework commonly contains large cavities formed through rapid organic growth.
礁结岩成骨架中通常有大洞,是由于生物快速生成形成。
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