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真空破坏器
释义
真空破坏器
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低真空保护
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vacuum breaker
真空破坏器
广泛应用于各种容易产生真空的系统,在系统形成负压的时候及时吸入空气从而保护系统的装置。又称真空破坏阀。
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world heritage nominated property
world heritage nomination document
world heritage paper series
World Heritage Periodic Reporting
World Heritage Strategic Objectives
World Heritage Training And Research Institute For The Asia And Pacific Region
World Heritage Training and Research Institute for the Asia and Pacific Region
World Heritage Volunteers Initiative
World History Association
World History of the Dance
World Huashang Sports Industry Association
World Indoor Championships in Athletics
World Information Architecture Day
World Intellectual Property Organization
world interoperability for microwave access
world interoperability for microwave access, WiMAX
World Interoperability for Microwave Access,WiMAX
world invariant
world iron and steel industry
World Irrigation and Drainage Prize
World Irrigation Forum
World Lake Conference
world landscape architecture system
world line
world-line
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