closed systemclosed-system separatorclosedsystem
... 密闭罩: exhausted enclosure enclosed hood 密闭系统: closed systemclosed-system separatorclosedsystem 密闭阀门: airtight valve ...
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closed systemclosed-system separatorclosedsystem
封闭系统封闭系统分离器
以上为机器翻译结果，长、整句建议使用 人工翻译 。