作品简介城镇街道的雨水道盖板,常常被垃圾与泥沙粘附而堵塞。每当下大雨时,街道上的积水很深,影响交通和卫生。清洁工人常常需要用手或工具清除盖板堵塞物。通过观察,我们找到了解决问题的办法:发明一种能防止堵塞的雨水道盖板。 Synopsis Rainforest coverings in town streets are often clogged with trash and sediment sticking. Whenever it rains, the water on the street is deep, affecting traffic and hygiene. Cleaning workers often need to remove the cover blockage with their hands or tools. Through observation, we found a solution to the problem: invented a rain cover to prevent clogging.