发布时间:2025-01-17 04:59:11
铁跟铅是两种不同的物质,铁锅做菜后氧化只能产生X氧化x铁,怎么可能生成铅呢……小盆友没有好好学过化学吧
铁锅都会有这种现象,不用担心,没事的
水泵买错了,本来是要买自吸泵的,买成增压泵了,如果我把增压泵的叶轮换成自吸泵的叶轮。是不是就成自
2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11我以前自己做过酸奶买来牛奶兑上发酵粉可是发酵粉的量控制不好亲们有好办法么
2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11我家里是农村的平房现在房子上的木头里有一些黑蚂蚁在蛀木头怎样才能把蚂蚁给灭了
2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11 2025-01-17 04:59:11