| 1. | "i'm an expert with diamonds, too," yasha boasted .
“我对金钢钻也是内行，”雅夏自吹自擂起来。 |
| 2. | As the diamond tip of the drill revolves, it is lubricated by mud .
钻探机的金钢石钻头转动时，由泥浆起润滑作用。 |
| 3. | The cutters have very hard teeth made from special steel or from diamonds .
刀具上有用特种钢或金钢石制造的非常坚硬的齿。 |
| 4. | He takes out a little case, and gives me out of it a fine diamond ring .
他取出一个小匣子，从里面给我拿出一颗夺目的金钢钻戒指。 |
| 5. | After setting, the surfaces of the specimens are ground down using carborundum and alumina .
凝固之后，样品表面连续用金钢砂或氧化铝磨平。 |
| 6. | The scar cut by the diamond on his white, bald, shining forehead, made a burning red mark .
他的光秃秃的前额又白又亮，从前给金钢钻割破的地方结成一条血红的疤。 |
| 7. | This is jet bit and that is a pdc bit
这是喷射式钻头，那是人造聚晶金钢石钻头。 |
| 8. | Diamond dies for wires of ferrous and non - ferrous metals
黑色和有色金属线材用金钢石拉模 |
| 9. | Railway fixed equipment . diamond head bolts
铁路固定设备.金钢石头螺栓 |
| 10. | Advantage of little kinggong for hard welding
硬焊法小金钢的优点： |
