| 1. | 2 ntural diamond impregnated drillbits 3 natural diamond skin impregnated core drillbits 4 natural diamond skin impregnated no - core drillbits
均可配扩孔器天然金刚石表镶钻头天然金刚石孕镶钻头人造金刚石孕镶钻头 |
| 2. | All natural diamonds are billions of years old . they are formed with crystals of carbon , the element that is the foundation of life , under conditions of intense heat and pressure
1体色每种宝石都有其最佳的色饱和度，在无色浅黄色钻石中，越白接近零饱和度，则越好。 |
| 3. | Abstract as a good material in engineering , diamond can be used in many fields . however , natural diamond is scale and expensive , so people make synthetic one using chemical vapor deposition ( cvd )
化学气相沉积( cvd )金刚石膜是具有优异的力学、电学、热学、声学和化学性能于一体的材料，在高科技领域具有十分广阔的应用前景。 |
| 4. | The diamond is considered by most of the world to be the king of gems . it has captured the hearts of romantics , villains and royals throughout history . all natural diamonds are billions of years old
钻石的切磨和其它宝石一样，并不是随意切磨就能成形的，而是要在尽可能保留毛坯的最大重量前提下，充分完美地展现出宝石的内在美。 |
| 5. | In addition to its spectrum of industrial automatic machinery products , shun hong has been for a long time dedicated to providing high - quality natural diamond for the diamond die manufacturers both overseas and domestic
上海顺弘实业有限公司不仅生产、制造工业自动化设备，还专门为国内外拉丝模具生产商提供优质的天然金刚石，积聚了一批富有经验的金刚石检测，签定及打磨的高级技术工程人员。 |
| 6. | The diamond indenter is a king of standard measuring tool used to determine the standardized blocks and verify and calibrate schelometers . it is made by welding , grinding and machining certain grain of quality natural diamond into the rockwell , vickers of brinell hardness
金刚石压头是将一粒定量的优质天然金刚石，按要求镶焊研磨再机械加工成洛氏、维氏和布氏的标准计量工具，主要用于硬度块的定度和对硬度计的鉴定。 |
| 7. | Natural diamond die is one the best for the drawing of precision wires . the diamond is selected meticulously to be complete grains with good . symmetry free from any foreign substances . it is prepared with advanced powdermetallurgicaltechnology that makes the diamond with the strongest strength and antiknock property during the processes
天然金刚石拉丝模对于各种精密线材的拉制是最好的模具之一，采用的天然金刚石是经过精心挑选的,必须是颗粒完整对称性好，没有杂质，又采用先进的粉末冶金技术镶套从而使金刚石在拉拔过程中获得最大的强度和抗爆裂能力。 |
| 8. | Jiangpai natural diamond die is one the best for the drawing of precision wires . the diamond is selected meticulously to be complete grains with good symmetry free from any foreign substances . it is prepared with advanced powder metallurgical technology that makes the diamond with the strongest strength and antiknock property during the processes
江牌天然金刚石拉丝模对于各种精密线材的拉制是最好的模具之一，采用的天然金刚石是经过精心挑选的，必须是颗粒完整对称性好，没有杂质，又采用先进的粉末冶金技术镶套从而使金刚石在拉拔过程中获得最大的强度和抗爆裂能力。 |
