N shaft N轴
cardan n shaft 万向联轴节 ; 万向轴
fan n shaft 通风井
driven n shaft 从动轴
suction n shaft 吸水竖井
serration n shaft 锯齿形花键轴
fan n shaft bearing 风扇轴轴承
frozen n shaft seal 冻结法轴密封
With snail clench solid is on lower shaft, with 2nr/min (N is embroider engine rotate speed) shuttle of rotate speed edge wears the annular slideway C that go up (oriented tine) high speed runs.
用螺钉紧固在下轴上，以2nr/min（n为绣花机转速）转速沿梭架上的环形导轨C（导向齿）高速运转。
The diagnosis parameter setting circuit is used to set up collection times N, failure warning valve value and rotary shaft gyro frequency of the machinery needing test.
诊断参数设定电路用于设置采集次数N、故障 报警阀值和待测机械的旋转轴的旋转频率；
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