cupola working bottom的意思|示意
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冲天炉工作底
cupola working bottom的网络常见释义
冲天炉炉底 ... 冲天炉炉衬 cupola lining 冲天炉炉底 cupola bottom; cupola hearth; cupola working bottom 冲天炉炉缸 cupola crucible; cupola well ...