If you want to stop potholes from forming in asphalt roads, you've gotta get 'em while they're still just tiny cracks. A new ...
9 天
Interesting Engineering on MSNSelf-healing asphalt uses plant spores to stop potholes before they startPotholes are a constant source of frustration for drivers and a financial sinkhole for governments, demanding constant ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果