Inorganic minerals in the metal surface high-speed taxi, scraping effect is also not small.

无机矿物质在金属表面高速滑行时，其刮削作用也不小。

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Coal is a sedimentary rock composed principally of organic carbonaceous macerals and inorganic minerals.

煤是一种有机沉淀岩，主要包括有机碳化合物和无机矿物。

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But, the densities of the inorganic minerals are higher than reinforce materials-carbon black, which heavy restricts the use of inorganic mineral materials in the rubber.

但是，无机非金属矿物填料的密度均高于炭黑、白炭黑等补强材料的密度，这严重制约着无机矿物材料在橡胶中的使用。

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The list includes several vitamins and inorganic minerals as common as salt and as rare as selenium or iodine.

ECONOMIST: In praise of omega-3s