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["[Questão do Dia] Conhecimento Básicoicotechnical_translator

2020-01-15View Original

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Reply #22020-01-15
工艺基础知识(选择题)", "As razões para o vazamento da bomba de reflujo no topo do distilão塔顶回流泵抽空的原因有 D 。 A、机泵跳闸 B、油品冷后温度过高 C、塔

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