 |
| |||
| boric anhydride; boric oxide; boron oxide; boron sesquioxide; boron trioxide | |||
| boria (igisheva) | |||
| boron trioxide (B2O3) | |||
| борный ангидрид: 1 短语, 1 学科 |
| 技术 | 1 |
|
| |||
| boric anhydride; boric oxide; boron oxide; boron sesquioxide; boron trioxide | |||
| boria (igisheva) | |||
| boron trioxide (B2O3) | |||
| борный ангидрид: 1 短语, 1 学科 |
| 技术 | 1 |