pump down time 中文意思是什麼

pump down time 解釋
抽真空時間
  • pump : PUMP ＝politically upwardly mobile personality 政治新星，政治上有望晉升人士。n （淺口無帶的）輕舞...
  • down : adv （downmost）1 向下（面）；下，降；在下（面）。 come down 下來；下（樓）來；（雨等）落下。 The...
  • 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. Dynamic characteristics of a7v225 braking variable pump, accumulators storage and outlet property, braking and auxiliary driving property of hydraulic systenu load ' s simulation of auxiliary driving and so on have been analyzed in the article. hydraulic storage braking and auxiliary soft starting of down belt conveyor have been simulated in laboratory, at the same time, have testified that this energy saving hydraulic system is available

    通過實驗，並應用了小波分析去噪等數據處理手段，文中對a7v225剎車變量泵的動態特性、蓄能器的儲能和放能特性、液壓系統的制動和輔助驅動特性及輔助驅動時負載的模擬等，分別進行了分析。
  2. We struck on a shoal in going down the bay, and sprung a leak ; we had a blustering time at sea, and were obliged to pump almost continually, at which i took my turn

    我們在出港時觸了暗礁，船裂了一條小縫；我們在海上時又逢著了颶風，所以必須繼續不斷地抽水，我也跟著工作。
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