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| 烟道炉灰; 炉尘; 高炉炉尘; 烟道灰; 瓦斯灰 | |||
| 烟道尘; 烟道灰; 烟囱灰; 转窑水泥飞灰; 管内烟灰; 烟囱灰 | |||
| 烟尘 | |||
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| 烟囱灰; 烟道尘; 转窑水泥飞灰 | |||
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| 烟尘 | |||
| flue dust: 50 phrases in 5 subjects |
| Agriculture | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 29 |
| Nautical | 1 |
| Technology | 18 |
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