it refers to sands that contian more silicon dioxide such as riversand ,seasand ,effloresce sand and so on .
其中,effloresce sand指的是风化砂,silicon dioxide指的是二氧化硅
都是自己翻译的,没有用工具,应该比较贴近中文的意思.
it refers to sands that contian more silicon dioxide such as riversand ,seasand ,effloresce sand and so on .
其中,effloresce sand指的是风化砂,silicon dioxide指的是二氧化硅
都是自己翻译的,没有用工具,应该比较贴近中文的意思.