发布时间:2025-02-06 00:14:22
那一定是后改的热水管。后改的管,埋的浅,热量传到地面,故有瓷砖发热。只要不漏水就好。
某生物兴趣小组的同学用河水池泥水藻植食性小鱼广口瓶凡士林等材料制作了3个生态瓶如图所示
2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22 2025-02-06 00:14:22