permanent saving 中文意思是什麼

permanent saving 解釋
長期儲蓄
  • permanent : adj. 1. 永久的,不變的,耐久的;持久的,經久的。2. 常務的,常設的 (opp. temporary)。n. 電燙發 (=permanent wave)。adv. -ly
  • saving : adj 1 救助的,救濟的,挽救的,援救的,搭救的,挽救的。2 可取的;保存的,儲蓄的。3 儉省的,節省的...
  1. High efficiency and energy saving rare earth permanent magnet synchronous motor ( repmsm ) are importance approach to the problem that the cost of oil extraction in chinese oil fields is too high and pulling small car with big horse at large in driving electromotor in pumping unit

    我國油田採油成本高,油田抽油機電機數量多、容量大、年運行時間長、耗電量大,採油成本的60是電費。國內外對抽油機電機的節能都很重視,稀土永磁同步電動機具有高效節能的特點,是解決這一問題的重要途徑。
  2. Power - saving benefit of the well pumping unit drived by a rare - earth permanent - magnet synchronous motor

    稀土永磁同步電動機驅動抽油機的節能效益
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