fluorspar

The special trimming for the fluorspar in Hatch No.2 is up to our requirements demands .

二舱氟石的特殊平舱达到了我们的要求.

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The raw materials used in the production of perfluoropolyethers are a mineral ( fluorspar ) and methane.

用于生产全氟聚醚的原料为矿物 ( 荧石 ) 和甲烷.

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