II type is a light yellow amorphous solid powder, the English abbreviation for the s.
II型是淡黄色无定型粉状固体，英文缩写为s。
Amorphous material is one of the most active part of the solid phase of soil.
无定形物质是土的固相中很活跃的一个组成部分。
Amorphous material is one of the most active part of the solid phase of soil.
无定形物质是土的固相中很活跃的一个组成部分。
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