|
|
| 61. | copper refining |
| 铜精炼 |
|
|
| | |
| 62. | launder refining |
| 鳞精炼 |
|
|
| | |
| 63. | kettle refining |
| 锅精炼 |
|
|
| | |
| 64. | electron beam melting purification |
| 电子束精炼 |
|
|
| | |
| 65. | mechanical refining |
| 机械精炼 |
|
|
| | |
| 66. | reduction refining |
| 还原精炼 |
|
|
| | |
| 67. | refined magnesium |
| 精炼镁 |
|
|
| | |
| 68. | continuous refining |
| 连续精炼 |
|
|
| | |
| 69. | refined white sugar |
| 精炼白糖 |
|
|
| | |
| 70. | reverberatory refining |
| 反射炉精炼 |
|
|
| | |