關於veinlet的百科

• veinlet造句怎麼寫

• Oretypesarelimonitefracturedsilicicsandstone,quartzveinletandbeddedflyschrhythmore.TheDexingcoppermineinJiangxiProvinceisaporphyrycopperorefieldofveinlet-dissemi-natedtype.Threekindsofstateofarscnopyritearedevelopedatthedeposit,i.e.corse-grainedarsen...
• 2017-12-1028978