1.
The world is a great diamond.
地球是一颗大金刚钻！
2.
The diamond sparkles with brilliant light.
金刚钻闪出灿烂的光辉。
3.
He needs a long spoon that sups with the devil
没有金刚钻,不揽陶瓷活
4.
A diamond is a precious stone.
金刚钻是一种宝石。
5.
A great collector of gems and diamonds---you ought to see his fingers ...."
他收藏的宝石金刚钻！ 只看他两只手——”
6.
machine set bit
机镶细粒金刚石钻头
7.
screw-feed diamond rig
螺旋给料式金刚石钻机
8.
diamod-enhanced hammer bit
金刚石镶齿震击钻头
9.
diamond-particle bit
潜铸型细粒金刚石钻头
10.
insert polycrystalline diamond bit
聚晶金刚石镶齿钻头
11.
steam-motivated diamond drill
蒸汽驱动的金刚石钻
12.
insert natural diamond bit
天然金刚石镶齿钻头
13.
diamond content
钻头上金刚石的克拉数
14.
polycrystalline diamond compact bit
聚晶金刚石复合片钻头
15.
polycrystalline diamond compound bit
多晶金刚石复合钻头
16.
Diamond core drilling equipment conventional system
GB/T16950-1997金刚石岩心钻探钻具设备
17.
Diamond core drilling equipment--Wire line system
GB/T16951-1997金刚石绳索取心钻探钻具设备
18.
Comparative analysis of drilling characteristics of dia- mond bits and roller bits
金刚石钻头与牙轮钻头钻井特点对比分析