The properties of Yun Long refractory silver-copper ore are summarized. The feasibility as well as the pilot test result of the acid leaching-sulfide precipitation flotation process is demonstrated.
简述了云龙难选氧化银铜矿的性质，论证了酸浸—硫化沉淀浮选工艺的可能性及工业试验结果。
It can't be long before Reese Witherspoon is trading Mandarin quips with Tony Leung in her latest romantic comedy and James Cameron is directing Chow Yun Fat in a sci-fi blockbuster.
这部电影之后不久，瑞希威瑟斯彭将会练习中文妙语，好用在跟梁朝伟合拍的最新浪漫喜剧片里；詹姆斯卡梅隆也会找周润发出演科幻巨制。
My name is Long Yun. I'm a part-time waitress here.
我叫龙云，是这里的兼职服务员。
My name is Long Yun. I'm a part-time waitress here.
我叫龙云，是这里的兼职服务员。
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