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RH vessel
met. 真空循环脱气室; RH 真空室 (Because of the violent splashing occurring inside the RH vessel, skull formation on its inside walls results. 由于 RH 真空室内喷溅严重,在真空室内壁上形成了结壳。)
RH vessel
: 2 phrases in 1 subject
Metallurgy2