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热双金属
释义
热双金属
Encyclopedia
工学
精密合金
释
thermostat bimetallic
热双金属
由两种或多种线膨胀系数差异较大的金属或合金牢固叠拼复合而成,具有随温度变化发生弯曲产生推力做功的热敏功能材料。热膨胀系数较大的一层称为主动层,热膨胀系数较小的一层称为被动层。
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Qing dynasty operatic props of Yongtai Village, Jingtai County
Qing Dynasty Printed Matter
Qing Dynasty proof of identity guarantee documents
Qing dynasty ritual manuscripts on the Earth God Parade Festival discovered at Nanshe Village, Changzhi City
Qing dynasty robes with hoof-shaped sleeves preserved in Yunnan Province
Qing Dynasty Rubbing Album of Lady Sun Stele
Qing Dynasty Rubbing Album of Orchid Pavilion's Eight Parastate
Qing Dynasty Rubbing Album of Qiubi Hall
Qing dynasty style furniture
Qingfeng
Qingfengling Shuiku
Qingfeng Liuzi Opera Heritage Centre
Qingfeng Xian
Qinggang Xian
Qing Government’s Block Policy of Northeast China
qinggu powder
Qinghai
Qinghai camel
Qinghai donkey
Qinghai Drama Troupe
Qinghai Experimental Pingxian Opera Troupe
Qinghai GrandTheatre
Qinghai Guide Guojia Dizhi Gongyuan
Qinghai Haihu Sports Center
Qinghai Hohxil Guojiaji Ziran Baohuqu
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