roughing time 中文意思是什麼

roughing time 解釋
預抽時間
  • roughing : 初步加工
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. The model is tested by a typical die - cavity roughing, and shortening machining time and balancing cutting - load can be attained

    通過典型模具型腔的粗加工試驗驗證，證明該進給率優化策略不僅可以縮短加工時間，而且可以使加工載荷均勻。
  2. When the crude ore contains copper 1. 84 %, the technical indexes such as the grade of copper concentrate 22. 37 % and the recovery 78. 70 % are obtained by use of single - stage grinding, one time of roughing, three times of scavenging and two times of cleaning

    當原礦含銅1 . 84 %時，經過一段磨礦、一次粗選、三次掃選和二次精選，獲得銅精礦品位22 . 37 % 、銅回收率78 . 70 %的技術指標。
  3. This paper based on the supply grid of the medium plate plant of chongqing iron & steel has analyzed what causes unexpected harmonic and reactive impact as well as influence on equipments and grid, at the same time, calculate and simulate harmonic and reactive impact produced by the cycloconverter of roughing mill in the plant

    本文全面分析了電力諧波和無功沖擊產生的原因以及電力諧波和無功沖擊對供配電系統和用電設備的危害，並針對重鋼中板廠供配電系統，對中板廠粗精軋機變頻裝置產生諧波及無功沖擊進行了計算和研究。
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