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气门弹簧
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气门弹簧
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气门弹簧
释
valve spring
气门弹簧
保证气门及时落座并紧密贴合,防止气门在内燃机振动时发生跳动,破坏其密封性的小器件。
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acoustic susceptance
acoustics wave gauge
acoustic televiewer
acoustic test
acoustic thermometer
acoustic time reversal mirror
acoustic time-reversal mirror
acoustic tomography
acoustic transfer function
acoustic transfer function measurement
acoustic transformation media
acoustic transit time flowmeter discharge measurement
acoustic transmittance
acoustic treatment aid
acoustic tweezer
acoustic tweezers
acoustic variable density log
acoustic velocity
acoustic velocity logging device
acoustic vibration detection
acoustic vibration test instrument
acoustic vowel chart
acoustic wave
acoustic wave detection
acoustic waveguide
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