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| exposed porosity; skin hole; pit skin | |||
| surface pore | |||
| surface blowhole | |||
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| skin hole (【技】钢锭表面上的开口孔眼。主要形成原因有：钢中气体经由钢锭表面析出；钢锭模内壁或所使用的保护渣潮湿，浇注遇热形成蒸汽作用于钢锭表面。主要防止措施是减少钢中气体含量，保持锭模和保护渣干燥。) | |||
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表面气孔 : 5 phrases in 4 subjects |
| Automobiles | 1 |
| General | 1 |
| Metallurgy | 2 |
| Wind Energy | 1 |
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