air bellows

基本解释

Check the convoluted air bellows on the centre bearing for damage.
检查中心轴承上的回旋式风箱是否损坏。
For compressed air and vacuum, the NuAmatics poppet valves are ideal for single acting cylinders, air bellows, and vacuum material handling.
压缩空气和真空，纽曼帝克提升阀是适用于单作用气缸，空气波纹管和真空材料处理。
For compressed air or vacuum service, Numatics poppet valves are ideal for use with single acting cylinders, air bellows, and vacuum material handling applications. more…
压缩空气或真空服务，纽曼帝克提升阀是为单动气缸，空气波纹管的理想，和真空材料处理应用。更多…

Alternating current causes two plates to attract or repel each other, sucking air in or blowing air out like as a tiny bellows would -- one that resonates at over 100Hz.
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