常見(jiàn)例句a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite. 一種堅(jiān)硬有光澤的灰色金屬元素,抗腐蝕性極強(qiáng),見(jiàn)於鈮鉄鑛、褐釔鈮鑛和鉭鉄鑛中。Study in Visible Photoluminescence and Absorption Spectra of Fergusonite Group Minerals 褐釔鈮鑛族鑛物的可見(jiàn)光光致發(fā)光譜和吸收譜研究a hard gray lustrous metallic element that is highly corrosion-resistant;occurs in niobite and fergusonite and tantalite. 一種堅(jiān)硬有光澤的灰色金屬元素,抗腐蝕性極強(qiáng),見(jiàn)於鈮鉄鑛、褐釔鈮鑛和鉭鉄鑛中。73. a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite. 一種堅(jiān)硬有光澤的灰色金屬元素,抗腐蝕性極強(qiáng),見(jiàn)於鈮鉄鑛、褐釔鈮鑛和鉭鉄鑛中。fergusonite"," 褐釔鉭鑛" 返回 fergusonite