14799476-n
|
| 碳化硅, 碳化矽, 金刚砂 |
| carborundum |
| |
an abrasive composed of silicon carbide crystals |
|
14674143-n
|
| |
a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper) |
|
14672717-n
|
| 刚玉, 金刚砂 |
| corundom, corundum |
| |
very hard mineral used as an abrasive |
|
15040266-n
|
| 碳化砂, 碳化硅, 金刚砂 |
| silicon carbide |
| |
an extremely hard blue-black crystalline compound (SiC) used as an abrasive and a heat refractory material; crystals of silicon carbide can be used as semiconductors |
|