关于witherite的百科

• witherite造句怎么写

• GeologicalinstructionofbaritewitheritedepositexplorationMorethan40witheriteandbaritedeposits(orpoints)locateinnorthernDabaMountains,whichisalargeanduniquewitheritemetallogenicbeltintheworld.TheHuangboshuwanwitheritedepositisthefirstonethatitsreserves...
• 2016-09-0717995