high-level placers 高层位漂砂矿 ; 高级丘漂砂矿
sea-beach placers 海滩砂砾矿床
bench placers 河阶砂矿床
regeneration of gold placers 砂金矿再生
beach placers 滨海砂矿
gold placers 砂金矿
zircon placers 锆英石砂
air placers 空气压送机
以上来源于: WordNet
N surface sediment containing particles of gold or some other valuable mineral 冲积矿
N (in combination) 冲积矿的
placer-mining
In the metallogenetic process of gold placers, oxidation-reduction played an important role.
在砂金成矿过程中，氧化还原反应起着积极作用。
The HEISLER lid Placers are designed to dispense, position and seal LIDS on filled containers.
该封盖机用于分发、放置和密封已填充满的容器的盖子。
The geological conditions of the Shandong Peninsula arc similar to the geological features of the marine gold placers in the world.
山东半岛地质条件与世界海滨砂金矿床形成地质条件基本上相似。
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