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由碎铁矿、焦屑(或硬煤粉)和熔剂在回转窑或转底炉内加热到高温还原成半熔状产物,再经冷却、破碎、磁选、去渣而获得的球状颗粒含铁金属化产品。
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Yanbian Museum(Yanbian Korean Folk Museum/Yanbian Korean Revolution Museum)
Yanbian University
Yanbian Xianfeng Guojia Senlin Gongyan
Yan Bingyan
Yan Cao Pu
Yanchang7-9 Formation tight oil
yanchang coal measures
Yanchang Group
Yan Changke
Yanchang Oilfield
Yanchang Xian
Yan Changyan
Yan Chen
Yan Cheng
Yancheng
Yancheng Gang
Yancheng Nanyang International Airport
Yancheng Qu
Yancheng Science and Technology Museum
Yancheng Shi
Yancheng Site
Yanchep National Park
Yanchi Coup
Yanchi Xian
Yanchuanian Stage
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