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jandan.net
28 天
可自我修复和自热的的新型混凝土
密歇根州大学研发出一种新型“自愈自热”混凝土,虽成本较高,但能有效修复裂缝并储存热量,长期使用将大大节省费用。 在美国,许多道路常常因为年久失修而出现破损或坑洼,然而,密歇根州大学的创新团队正在寻求解决方案。 他们发明了一种新型 ...
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