一根吸管便
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老年人喉咙有痰需排除 为何一根吸管便能解决？
冬季呼吸道疾病多发，老年人感染后出现炎症。这时候喉咙里容易出现痰。如果痰液不能排出，堆积在呼吸道和气管内，就容易导致炎症综合征的持续发展，加重病情，所以需要及时排出。但也有老年人肺部感染，黏糊糊的却很[详细]
2023-02-23 08:01 分类：问答How to vertically center <div> inside the parent element with CSS? [duplicate]
This question already has answers here: How can I vertically align elements in a div? (28 answers) Closed 3 years ago.[详细]
2022-12-28 13:11 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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