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piston seals
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piston seals
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往复密封
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piston seals
活塞密封
活塞与缸体之间的密封。活塞密封的密封槽开在活塞上,属于孔用密封圈。又称活塞环密封。
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plane grating
plane group
plane heterogeneity
plane hologram
plane intersection management
plane involution
plane lattice
plane layout ofunderground space
plane-like
plane mirror
planemo
plane monochromatic electromagnetic wave
plane motion
plane motion of a rigid body
plane motion of rigid bodies
plane moving mechanical parking system
plane number
plane of circular section
plane of complex numbers
plane of coordinates
plane of emergence
plane of human body
plane of incidence
plane of metro line
plane of oscillation
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