天气预报15天查询> 生活> 快速清理黑板的小妙招

快速清理黑板的小妙招

更新时间: 2021-05-07 17:57:18     

1、换一个干净的黑板擦或者清洗一下原先的黑板擦;

2、擦干净粉笔字后,用干净的湿毛巾擦一遍,如果一遍擦不干净就再搓干净毛巾擦第二遍;

3、用毛巾擦过后,用旧报纸揉成团,再没干的黑板上擦拭,直到把水分擦干即可。

关键词: 快速 清理 黑板

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-542730/ | 耗时:0.9347 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=542730 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=542730 LIMIT 0,1
select * from tbl_Articles_sphinx where id=542730 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1007198,1113676,1123855,1116950,1108774,1108842,1123667,1108151,1112873,1119407,1103943,1120940,1112590,1123509,1105331,1119808,1126334,1111916,1112646,1123919,1123378,1122936,1107693,1109406,1105055,1087291,985577,1112863,1093138,1093913) ORDER BY field (ArticleID,1007198,1113676,1123855,1116950,1108774,1108842,1123667,1108151,1112873,1119407,1103943,1120940,1112590,1123509,1105331,1119808,1126334,1111916,1112646,1123919,1123378,1122936,1107693,1109406,1105055,1087291,985577,1112863,1093138,1093913)