perlite 意为珍珠石。是一种水分含量较高的类玻璃岩石。

来源: 阿里于 2010-10-29 07:51:25 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

perlite 意为 珍珠石。 是一种水分含量较高的类玻璃岩石。