spray lance
常见例句
- The utility model relates to a forge and press combined type central water-cooled oxygen lance spray head assembly, which belongs to the technical field of an oxygen lance of converter steelmaking.
鍛壓組郃式中心水冷氧槍噴頭組件，屬於轉爐鍊鋼氧槍設備技術領域。
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