... 真空度试验：vacuum test 真空度范围：vacuum range 真空点火提前装置：vacuum advancer;vacuum ignition advance,vacuum spark advancer ...
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vacuum distillation range 减压馏程
pressure range of vacuum gauge 真空计测量范围
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Thus they can provide a clean vacuum over the entire vacuum range. Dry pumps require little maintenance and don't generate any waste material.
无油真空泵提供了完全洁净的真空环境，泵体本身无需保养，而且不会产生任何污染物。
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Of course, people who can afford vehicles in that price range can also buy any vacuum of their choice.
FORBES: Honda Steals The 2013 New York Auto Show With A Vacuum Cleaner
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