发布时间:2025-01-29 18:48:58
简易的办法就是用热水冲,水中加入混凝土用防冻剂,但要在冲水后不结冰前浇筑混凝土。
微波炉检查保险丝,磁控管,二极管,电容,变压器都正常,但不加热是什么原因
2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58初二物理题目 如图a所示是观察水的沸腾现象的实验装置1该装置中硬纸板的作用是
2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58外地人在杭州买房想用公积金贷款需要开查房证明请问是不是只需一家三口杭州的查房证明
2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58 2025-01-29 18:48:58茎的分枝方式合轴分枝单轴分枝二叉分枝假二叉分枝分蘖的植物观赏特点是什么
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