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| corundum brick (【技】以刚玉为主要物相的耐火砖。一般用烧结氧化铝、电熔刚玉或 Al₂O₃/SiO₂ 比高的矶土熟料为原料，经成型、煅烧而得。刚玉砖在钢铁工业中主要用于高炉、热风炉、滑动水口等冶金设备。) | |||
| corundum block | |||
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刚玉砖 : 18 phrases in 4 subjects |
| Chemistry | 2 |
| Construction | 1 |
| Metallurgy | 2 |
| Technology | 13 |
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