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维修叶轮
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  impeller maintenance
     The resonant frequency of impeller blades in an APU load compressor is a target index necessary to be controlled in the process of impeller maintenance.
     APU负载压气机叶轮叶片的共振频率是维修叶轮过程中需要控制的一项指标。
短句来源
  “维修叶轮”译为未确定词的双语例句
     The resonant frequency of the impeller blades of APU load coInPressoris a target index necessary to be controlled in the process of themaintenance of iIllPeller.
     APU负载压气机叶轮叶片的共振频率是维修叶轮过程中需要控制的一项指标。
短句来源
     The resonant frequency of the impeller blades of APU load compressor is a target index necessary to be controlled in the process of the maintenance of impeller.
     辅助动力装置负载压气机叶轮叶片的共振频率是维修叶轮过程中需要控制的一项指标。
短句来源
  相似匹配句对
     The large-scale maintenance efforts on cultural heritage
     世纪维修
短句来源
     Maintenance of Hydraulic System
     液压系统的维修
短句来源
     The Applications of Blade Resonant Frequency Measuring Instruments to the Maintenance of Impellers
     叶片共振频率测试仪在叶轮维修中的应用探讨
短句来源
     CAGD FOR CENTRIFUGAL PUMP IMPELLER
     离心泵叶轮计算机辅助几何设计
短句来源
     Research and Manufacture of Impeller of Slurry Pump
     泥浆泵叶轮的研制
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The resonant frequency of the impeller blades of APU load compressor is a target index necessary to be controlled in the process of the maintenance of impeller. Due to too much short sustained time duration of oscillation for the blades and too wide distribution of oscillation frequency over the audio frequency range, direct frequency measuring method, measuring period method and variable gate frequency measuring method were analysised,a procedure of variable gate frequency measurement has been applied to the...

The resonant frequency of the impeller blades of APU load compressor is a target index necessary to be controlled in the process of the maintenance of impeller. Due to too much short sustained time duration of oscillation for the blades and too wide distribution of oscillation frequency over the audio frequency range, direct frequency measuring method, measuring period method and variable gate frequency measuring method were analysised,a procedure of variable gate frequency measurement has been applied to the design of frequency measuring instrument with a micro-controller unit as its core.This procedure features a high precision and rapid speed.

辅助动力装置负载压气机叶轮叶片的共振频率是维修叶轮过程中需要控制的一项指标。由于叶片振动持续时间很短 ,且振动频率在音频范围之内分布较广 ,通过分析比较直接测频法 ,测周期法和变闸门测频法后 ,在设计以单片机为核心的测频仪时采用了变闸门测频法 ,该方法具有精度高、速度快的优点。

The resonant frequency of impeller blades in an APU load compressor is a target index necessary to be controlled in the process of impeller maintenance. Detailed analysis is made to the structure of APU, its main functions and the distribution of forces. It is suggested that blade resonant frequency measuring instruments should be applied in combination with the mathematic method of two grade fuzzy universal appraisal. The proposed novel and practical procedure can make a comprehensive evaluation on the status...

The resonant frequency of impeller blades in an APU load compressor is a target index necessary to be controlled in the process of impeller maintenance. Detailed analysis is made to the structure of APU, its main functions and the distribution of forces. It is suggested that blade resonant frequency measuring instruments should be applied in combination with the mathematic method of two grade fuzzy universal appraisal. The proposed novel and practical procedure can make a comprehensive evaluation on the status of impeller blades,so it is useful for the improvement of APU maintenance level.

APU负载压气机叶轮叶片的共振频率是维修叶轮过程中需要控制的一项指标。在分析了APU组成结构、主要作用及受力分析的基础上 ,对叶片的损坏情况进行了讨论 ,提出了将叶片共振频率测试仪与二级模糊综合评判的数学方法相结合 ,对叶轮的状态进行综合评价的新颖实用的方法 ,这将对 APU维修水平的发展起到积极的促进作用

 
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