1.
THE MINERALIZATION LAWS OF THE ALLUVIAL GOLD PLACERS AT ALTAI MOUNTAIN
阿尔泰山冲积型砂金矿的砂金富集规律
2.
aventurine spangled densely with fine gold-colored particles.
布满闪烁的金色小颗粒的砂金石。
3.
A deposit of gold ore in an old riverbed.
富金砂矿古河床里的金砂矿床
4.
Applicable sand material: Aluminum oxide Sand of ＃26-＃320, carborundum, glass beads, Plastic sand blasting grains.
适用砂材：＃26-＃320氧化铝砂、金刚砂、玻璃珠、塑胶喷砂粒等。
5.
cloth covered with powdered emery.
覆有金刚砂粉末的布。
6.
dresser ,grinding wheel, of base metal
砂轮整形器,贱金属制
7.
abstract metal from ore
从矿砂中提取金属.
8.
They panned off the sand and dirt.
他们用淘金盘淘去砂泥。
9.
emery-coated beam
金刚砂卷布辊，金刚导布辊
10.
emerized fabric
金风砂起绒织物，仿麂皮起绒织物
11.
glass dulled by treatment with acid or emery
用酸或金刚砂处理的毛面玻璃
12.
stiff paper coated with powdered emery or sand.
覆有金刚砂粉末或沙的硬纸。
13.
(trade mark) an abrasive composed of silicon carbide crystals.
（商标）由金刚砂晶体构成的研磨剂。
14.
A trademark used for an abrasive of silicon carbide crystals.
金刚砂一种碳化硅晶体磨料的商标名
15.
He wants to determine what metals are present in the ore.
他要测定矿砂中有什么金属存在。
16.
drum ,rotating, for descaling, desanding or packing of goods
金属物品除垢、除砂或抛光转筒
17.
Research on Surface Grinding of SCFS with Diamond Wheel;
金刚石砂轮平面磨削石英陶瓷的研究
18.
Investigation on Processes and Mechanism of Belt Grinding of Metallic Materials;
砂带磨削金属材料的工艺及机理研究