fluorspar是什么意思？

fluorspar

英['flu:əspɑ:] 美['fluəˌspɑ]

• n. 氟石，荧石；

例句

• 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.
• 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.

英英词典释义

• Noun
  1. a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine