cooling-down method and time 冷却方式及时间
The research method and some results in this paper are useful for the optimization of HEL system, cooling-down method of inner channel and selecting of AO parameters.
该方法和部分结果对高能激光系统激光器的优化设计，激光内通道冷却方式以及自适应光学校正能力设计参数的选取具有一定的参考价值。
By applying cooling down method of adding factory air into the HP system, shortens urea converter cooling down time to a large scale and decreases shutdown losses for enterprise.
通过采用向尿素合成塔加入工厂空气的降温方法，与传统方法相比大幅度缩短降温时间，为企业减少停工损失。
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