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| 陶瓷泡沫过滤器 (【技】出钢挡渣或安装在连铸中间包内，用于滤除钢水中夹杂物，净化钢水。) | |||
| 泡沫陶瓷过滤器 | |||
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ceramic foam filter : 3 phrases in 1 subject |
| Metallurgy | 3 |
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