cooler region meaning in English

冷区

Application of polyethylene foam in hydraulic engineering of cool regions
发泡聚乙烯混凝土填缝板的研究及在寒区工程中的应用
Based on the survey , detection in the fields and theory researches , the reasons of forming cracks have been completely studied . it is reference valuable for searching the strengthening measures of cracks and feasible scheme of strengthening dam in the cool regions
在现场调查、检测和理论研究相结合的基础上，对裂缝成因进行了较全面的分析，对寻求裂缝补强方法和东北寒冷地区大坝补强加固可行方案的提出具有参考价值。
The distribution of adiabatic film - cooling effectiveness on the endwall of this cascade has been measured using a new technique that has been developed as part of this project . using this new technique , the achieved levels of cooling effectiveness are quantified and over , and under - cooled regions on the endwall are identified
在发展一种新的测试技术的基础上，结合叶栅下游流场测量，获得了叶栅端壁上冷却膜隔热效率的分布，使得叶栅端壁上下冷却层的冷却效率可分别定量描述。