utility hole 中文意思是什麼

utility hole 解釋
公用事業穿墻洞
  • utility : n 1 有用,有益;實用,【經濟學】效用;功利;〈常 pl 〉 有用的東西。2 【哲學】功利主義。3 【戲劇】...
  • hole : n 1 洞,穴,孔;(衣服等上的)破洞;傷口;漏洞;窩,坑;水流的深凹處,(河道的)緩流窪。2 (獸的...
  1. Utility vibration cutting ultrasonic vibration mini - deep hole drilling

    超聲振動鉆削小深孔工藝及裝備
  2. This paper classifies and analyses the cause of abnormal sound of automobile shock absorber. it gives two kinds of new utility engineering concepts called resonance transmission chain and multi - hole throttle law of shock absorber. it also exponnds some technology methods reducing and eliminaling abnormal sound of shock absorber

    該文對汽車筒式減振器異響的成因進行了系統的分類和分析.提出了減振器共振傳遞鏈和減振器多孔截流律等工程實用概念.文中還指出了抑制和消除各類減振器異響的技術途徑,並對減振器異響研究的前景進行了展望
  3. Abstract : this paper classifies and analyses the cause of abnormal sound of automobile shock absorber. it gives two kinds of new utility engineering concepts called resonance transmission chain and multi - hole throttle law of shock absorber. it also exponnds some technology methods reducing and eliminaling abnormal sound of shock absorber

    文摘:該文對汽車筒式減振器異響的成因進行了系統的分類和分析.提出了減振器共振傳遞鏈和減振器多孔截流律等工程實用概念.文中還指出了抑制和消除各類減振器異響的技術途徑,並對減振器異響研究的前景進行了展望
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