n. 铁矾土,铁铝氧石
- The United States was vulnerable to shortages of chrome, bauxite, and platinum
美国的弱点是缺少铬、矾土和铂。收藏 - Third world countries including Jamaica, Surinam, and Guyana supply almost 90% of developed nation imports of bauxite
第三世界国家包括牙买加、苏里南和圭亚那几乎提供了发达国家铝土矿进口的90%。收藏 - A white to dark reddish - brown orthorhombic mineral,AlO(OH,present in bauxite.
勃姆石白色至深红褐色斜方晶矿物,AlO(OH),存在铝土岩中收藏 - The seven leading bauxite exporters formed the International bauxite Association
七个主要的铝矾土出口国组成国际铝矾土协会。收藏
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