hydraulic pump placer.
液力泵喷浆机
gold placer deposit mined land.
砂金矿迹地
Planation Surface and Gold Placer
夷平面与砂金矿
THE HISTORY OF GOLD PLACER IN ALTAI MOUNTAINS
阿尔泰山采金史略
Geological features of placer tin anomaly zones in Yunnan
云南锡石自然重砂异常带的地质特征
Mining valuable minerals from a placer by washing or dredging.
通过从冲积矿洗涤或挖泥来提取贵重矿物的开矿。
Prospect and suggestion for developing Hanyin gold placer, Shaanxi.
陕西汉阴砂金矿床开发的资源前景及建议
A place where a placer deposit is washed to extract its mineral content.
砂矿开采地一个用来清洗出有用矿物的砂矿开采地
Gold ores mined in ancient times were divided into placer gold and hill gold.
古代采金分砂金和山金。
Study on automatic control of mining and mineral processing for beach placer.
海滨砂矿采选工艺自动控制的研究
The checking computation of structural size of gold dredge in mining of gold placer
砂金矿采金船开采结构尺寸验算
Preliminary research in littoral placer gold in Eastern Laizhou Bay of Shandong Peninsula
山东半岛莱州湾东部滨海砂金矿初步研究
The objection to the placer origin have centred around the softness of uranium compounds.
反对砂矿成因的论据主要是铀的化合物不耐磨蚀。
Application of the appraisal of heavy placer gold to the preparation of gold ore specimen.
重砂鉴定在金矿制样中的应用
Anjiacha gold deposit is a bedrock gold deposit which was discovered by tracing placer gold.
安家岔金矿床是由砂金追根溯源而找到的矿床。
Double pipe hammering with inside pipe sampling technology and operation for placer drilling
砂钻的双管冲击内管取心工艺
Lead Isotope Composition and Sources of Trace Lead in Placer Gold of the Hunchun River Valley
珲春河流域砂金中微量铅同位素组成及其来源
THE GEOLOGICAL CHARACTERISTICS OF RELEIBO GOLD PLACER DEPOSIT OF THE REPUBLIC OF COTE DLVOIRE
科特迪瓦共和国热雷波砂金矿地质特征
Discussion on the earth's surface chemical genesis of Quaternary placer gold in nanjing, Fujian
福建南靖砂金表生化学成因的探讨
Grain Size Comparison of Placer Gold in Exploration and Mining and its Effect on Exploration Grade
砂金粒度探采对比及对砂金勘探地质品位的影响
I got educated on placer mining, and heard all about the controversy over the use of water cannons.
我得到的教育砂金开采, 并听取了所有的争议, 使用水炮。
The production of placer gold main includes two details which are gold dredger and island concentrator.
砂金生产主要包括采金船和岸上选厂两大环节。
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