它因有铅矿而非常出名.It is well known for its lead mines.矿产资源主要以钨矿 、 铅矿 、 锌矿和瓷土矿为主.Mineral resources are mainly tungsten ore, lead ore, zinc, and clay mineral - based.本文研究了硫化钠对方铅矿无捕收剂浮选的影响.Effects of sodium sulfide on collectorles...
Tourists can visit outlying areas like the Napa Valley Wine Country.游客可以前往像纳帕谷酒乡这样远离城市喧嚣的地方游览。She's in Napa, I think.我觉得她现在在纳帕。We import and distribute these wines ourselves with Napa Reserve as our flagship retail ...