The sulfide assemlage consists largely of pyrrhotite, pentlandite, chalcopyrite, and pyrite.硫化物集体大部由磁黄铁矿 、 镍黄铁矿 、 黄铜矿及黄铁矿组成.Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.黄铁矿很多,...
Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.黄铁矿很多,并且含钴,在硫化物块体中成稠密的斑块.At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and accompanied by magn...
You have to be careful what you say on telly.在电视上说话时你必须很谨慎。Interior decoration by careful coordination seems to have had its day.精心搭配的室内装饰似乎已不再受欢迎了。One of the keys to successful business is careful planning.打造成功企业的关键之一就是...