["吸ase器 silencieux à vide",,"Il y a un réservoir à vide avec une capacité d'environ 1 立，,，因正常开启真空泵，压力能到-0.18mpa.因生产工艺要求真空度为-0.56mpa.在罐顶安装一个调节阀通过吸收大气来维持-0.56mpa.但调节阀吸气的时候产生噪音过大，调节阀及管道直径为dn-225的，有没有这样的的消声器来降低噪音",,"Pouvez-vous me dire le problème ? Je verrai si je peux vous aider",,"Oui, 应该是有的。安装在罐子内部吸入口上。听说过，了解的不多","Ceci est le contenu 有一个真空缓冲罐，体积约

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