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真空破坏器
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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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maritime patrol aircraft
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Maritime Rescue Coordination Centre
maritime restricted area
maritime safety information digital broadcasting system
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Maritime Silk Road
Maritime Silk Road Museum of Guangdong
maritime space name
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Maritime Strike,1890
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Maritime Traffic Safety Law of the People’s Republic of China
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maritime transportation in the Yuan period
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Marius Petipa
Marius Sophus Lie
Marius the Epicurean: his ideas and sensations
Marius von Mayenburg
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