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| oxygen lance nozzle; lance tip (【技】位于氧气喷枪顶部，通常用纯铜锻造后切削加工制成或铸造成型。因为紫铜的导热性能好，可以把喷头吸收的热量迅速传递给冷却水带走，使喷头得到有效冷却，防止烧坏。); tip of oxygen lance | |||
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氧枪喷头 : 6 phrases in 1 subject |
| Metallurgy | 6 |
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