搜索 - 科创

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引用 h13:那也可以再用一层隔热层（一层大点的，把所有药柱套一起），双层隔热，更保险铝合金+隔热层重量小于钛合金重量铝合金重量不会小于钛合金的，如果按照理论值钛合金重量是铝合金的一半，只不过我们没法加工到那么薄而已

对，记忆合金，详见 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 被广泛用于做人造卫星和宇宙飞船的天线，水暖系统、防火门和电路断电的自动控制开关，以及牙齿矫正等医疗材料

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