fretting造句
61) Poor tribological property and high susceptivity to fretting fatigue (FF) influence wide application of titanium alloy in aeronautical industry.
62) The fretting life of conductor increases with the decrease of bending amplitude and dead load.
63) The shrink-fit components usually suffer fretting damage in the contact surface under rotating bending load, which remarkably reduce the life of the components.
64) And you can't afford to waste the good part fretting about the bad.
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