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["[Di dia uma questão] Conhecimento básico de processos (questão de múltipla escolha)",["A parte mais propensa a vazamento nos vlvulas é C.、法兰B、大盖C、B兰D、垫片"],,","、法兰B、大盖盖C、B兰D、垫片"]

2020-01-24View Original

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本帖最后由 HP0377 于 2020-1-24 07:54 编辑 阀门容易泄露的部位是 C 。 A、法兰 B、大盖 C、格兰 D、垫片
Reply #22020-01-24
阀门容易泄露的部位是 d A、法兰 B、大盖 C、格兰 D、垫片

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