内燃机
🎬 导演：杨杰亭
<p>共和国早期科教片
链接：<a href="https://www.douban.com/link2/?url=https%3A%2F%2Fb23.tv%2Fav55736947%2Fp25&link2key=e21da5820c" target="_blank">https://b23.tv/av55736947/p25</a></p>
链接：<a href="https://www.douban.com/link2/?url=https%3A%2F%2Fb23.tv%2Fav55736947%2Fp25&link2key=e21da5820c" target="_blank">https://b23.tv/av55736947/p25</a></p>