The water purifying and mineralizing Chinese medicinal stone ball is made with Chinese medicinal stone grain and clay in the weight ratio of 80-90 to 10-20.
这种产品也是由麦饭石颗粒、粘土混合烧制而成的球块状物品， 其特点是：所说的麦饭石颗粒与粘土的重量比是80-90∶10-20。
Where do the turtle grain stone rockery?
哪有做龟纹石假山的呢？
Maybe everyone heard of turtle grain stone, function and characteristics of did not understand it.
也许大家都听过龟纹石，却不明白它的作用和特征。
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