precool meaning in Chinese
vt.
预先冷冻〔货物打包或装船前进行冷冻〕。
Examples
- 3 . a number of test parameters of insulation , position of reflux pipe inlet arrangemts , injection etc . are explored in the experiment . the experimental results demonstrate that the natural circulation is an efficient way to precool the pump system and maintain it at cryogenic temperatures
进行了多组对比实验，着重对两种不同回流方式对于自然循环和预冷的影响进行了比较，并研究了系统增压、引射、回流管绝热效果以及泵体绝热效果对于自然循环的建立和维持以及对循环预冷效果的影响。