关于syenite的百科

• nepheline syenite造句怎么写

• Inaddition,mineralassemblageandgabbrosimilartogabbropegmatite;andnephelinesyenitenephelinesyeniterocksimilarpegmatiteandsoon.YunnanProvinceisrichinaluminiummineralresources.Mainmineralsproductscanbedividedintotwotypes.Thatis,sedimentarybauxiteandneph...
• 2018-12-2228501