The Pre - cambrian alumino - siliceous slate is the host rock of antimony deposit inHunan.湖南前寒武系的 硅铝 质板岩是锑矿主要赋矿岩性.Antimony adds to the rigidity of the casting.锑能增加铸件的硬度.Antimony abounds in out country.我国盛产锑.The percentag...
The percentage of antimony may be left to the battery manufacturer.锑的百分含量由各蓄电池生产厂自己掌握.Antimony abounds in out country.我国盛产锑.Antimony adds to the rigidity of the casting.锑能增加铸件的硬度....