| 释义 |
Alluvial Deposits短语⁹⁶⁶⁷⁷⁺⁶
基本例句
冲积矿床原型alluvialdeposit的复数 Fluvial deposits tend to be well sorted, especially in comparison with alluvial deposits, because of the relatively steady transport provided by rivers.
特别是在与冲积物相比较时，河流沉积趋向于分选得很好，因为河流提供了较稳定的搬运作用。 www.infopetro.com.cn
Mechanized placer mining, with special devices for washing and separating waste from valuable minerals, is used in productive alluvial deposits.
机械化砂矿开采用于含矿量丰富的砂矿床．利用专门设备来淘洗、分离废物与有用矿物。 hjenglish
Placer mining: Oldest method of recovering gold from alluvial deposits.
砂矿开采：从冲积层回收黄金的最古老方法。 tdict |