... vacuum-pumping 抽真空；真空排气 vacuum-reduced 降低真空的 vacuum-tight 真空密封的；真空密闭的 ...
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... vacuum-pumping system ==> 真空抽气系统,抽真空系统 vacuum-reduced ==> 降低真空 vacuum-sealed process ==> 薄膜负压造型法 ...
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Reduced maintenance: Over the extended life of the equipment, vacuum retrofits can reduce maintenance by as much as 60% according to a recent study comparing vacuum to air magnetic 15-kv breakers.
被减少的维护：在设备的延长的生活期间，真空式样翻新可能减少维护尽量60%根据一项最近研究比较真空与空气磁性15 - kv破碎机。
The temperature of air entering the vacuum pump is reduced, thereby having little influence for the vacuum pump and reducing the failure and maintenance workload of the vacuum pump.
本实用新型进入真空泵的空气温度降低，对真空泵的影响减小，减少了真空泵的故障及维修工作量。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
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