| 1. | Hydrogen and co have both been used for estimation of noble metal surface areas .
和CO都已用来测定贵金属的表面积。 |
| 2. | The combination of refractory and noble metals in a single layer makes etching a formidable task .
难熔金属和贵金属组合的这一层薄膜使刻蚀成为一个艰巨任务。 |
| 3. | The introduction of precious metals to pay for goods can be considered the forerunner of the foreign exchange market .
用贵金属来偿付货款，这可以称之为外汇市场的先驱形式。 |
| 4. | Institute of precious metals , kunming , 650221
云南昆明贵金属研究所，昆明， 650221 |
| 5. | A fine piece of plate , is one of these articles
一件精致的贵金属餐具是件艺术品。 |
| 6. | Precious metals and its alloys designation system
贵金属及其合金牌号表示方法 |
| 7. | Development of precious metal jewelery testing in china
我国贵金属饰品成色检验进展 |
| 8. | Filler precious metal and their alloy brazing materials
贵金属及其合金钎料 |
| 9. | Composite material strips of precious metals and their alloys
贵金属及其合金复合带材 |
| 10. | Specification for dental wrought precious metal alloy wire
牙科用精制贵金属合金丝规范 |
