会积碳
0
为什么火花塞会积碳？
庞博博 开发者_StackOverflow 2021-04-13 12:42 主要原因就是燃油燃烧不充分，燃油品质低劣。火花塞使用一断时间后都会有积碳，只要积碳量在正常值就行，也需要定期清理。平常每行驶3000公里应检查及清理火花塞。[详细]
2023-03-07 19:20 分类：问答In SQL, why is "select *, count(*) from sentGifts group by whenSent;" ok, but when "*" and "count(*)" is switched position, then it gives an error?
In SQL, using the table: mysql>select * from sentGifts; +--------+------------+--------+------+---------------------+--------+[详细]
2022-12-28 14:35 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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