positive pressure head 中文意思是什麼

positive pressure head 解釋
正壓頭
  • positive : adj 1 確實的，明確的；確定的；無條件的 （opp qualified implied inferential）; 絕對的，無疑問的，...
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  • head : n 1 頭，頭部，首。2 頭腦，才能；智力，想像力，理解力。3 前部，上部；頂端，尖突部；船長；（書頁等...
  1. A silicone oil bubbler provides a positive gas pressure head inside the growth tube at all times.

    硅酮油起泡器能始終在生長管內產生一正氣壓位差。
  2. Denis oswald, head of the ioc ' s co - ordination commission for the games said he was much more positive than he was only three months ago. however, he warned that his commission would continue to put pressure on athoc

    國際奧委會協調委員會主席澤尼斯奧斯瓦爾德說，近三個月來雅典籌備工作的進展讓他對這屆奧運會信心大增。
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