介绍一种新型内燃机散热水箱-利用铜铝复合翅片管作为散热元件，论述了其结构特点，论证了其散热效果。
The paper introduces a new radiator for internal combustible engine, where the copper and aluminum fins are installed on radiating element, discusses its structure and argues its radiating effect.
陶瓷热敏元件可视不同的使用环境选择单层或复合包封。
Monolayer or combined packaging of ceramic thermosensitive components is selected in dependence on their application environment.
试验研究表明在相同重量下，设计合理的复合材料对称元件可以比金属元件吸收更多的冲击能量。
Most experimental research had demonstrated that well-designed composite symmetrical elements could absorb more impact energy than metal elements with same weight.
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