prestart 中文意思是什麼
prestart
解釋
起動前-
Comparing to the direct drain cool - down process used in china, the natural precooling cycle, which may save the propellant of the precooling, simplify the prestart program, delay the ignition of the rocket and be more safe in the process of precooling as well is employed in this paper
國外在該項領域的技術已經在實際火箭發射場得以應用，相比之下，我國仍採用排放式的預冷方法。因此，需要研究低溫液體火箭發動機循環預冷的方法，盡快實現趕超發達國家的目標。 -
Comparing to the liquid - phase manner that the outlet of the reflux pipe is below the liquid surface in the tank, the cool - down cycle may last longer and the prestart program may be more simple in using the gas - phase inlet manner
並建議採用氣相迴流的方法，可以實現更佳的預冷效果，其自然循環預冷可以維持更長時間，同時能更進一步簡化射前程序。 -
Daily prestart inspections of mobile equipment must be carried out and relevant documentation completed
每天啟動移動設備前必須進行預先檢查，並完成相關文件和表格的填寫。
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