1·Mineral products has oil, natural gas, bittern, alluvial gold to wait.
矿产有石油、天然气、盐卤、沙金等。
2·This paper has analysed the Hunan alluvial gold deposit and its present mining status.
本文分析了湖南砂金矿床及砂金的开采情况。
3·The soil erosion in the alluvial gold deposit is serious because of the vegetation destroyed.
沙金矿废弃矿区．由于森林植被被破坏，水土流失严重，形成矿区荒漠化。
4·Due to power failure suddenly, the lifting system of sand pump in alluvial gold mine is frequently blocked up.
砂金矿山所用砂泵提升装置因突然停电而堵塞提升系统。
5·The Luannigou ore field riches with alluvial gold of Quaternary Period and is the favorable target for rock gold.
乱泥沟矿区第四系砂金矿产丰富，是寻找岩金的有利靶区。
6·This paper has made a detailed description of the possible ways to raise the recovery of fine alluvial gold from clay-bearing alluvial ore.
本文就提高含泥细粒砂金的几种主要途径，进行了较翔实的论述。
7·The geochemical exploration anomaly is similar to the distribution of alluvial gold, and has not relation to the looking for the rock-gold.
不同地区剥蚀程度各有不同，剥蚀较严重的地区砂金分布广泛，化探异常与砂金分布相对应，而对寻找岩金关系不大。
8·This paper made a description of the genesis, property and distribution of cemented layer in alluvial gold mines at the south part of China.
本文试图概述南方砂金矿床中胶结层的性质、成因和分布。
9·Such study of the optimal industrial grade of the ancient conglomerate alluvial gold deposit is seldom seen abroad and the first time to be made domestically.
砾岩型古砂金矿床的工业品位研究在国内尚属首例，国外也不多见。
10·Shenzhen Zen alluvial gold velvet with gold, silver and copper as raw material, the electric casting is hollow, some manufacturers use is resin embryoid body, process and value will vary.
深圳天禅绒沙金采用的是金银铜为原材料，电铸件是空心的，有些厂家采用的是树脂的胚体，工艺和价值都会有所不同。