When you use properly finely ground coffee, the basket doesn't have to add much resistance, if you're using pre-ground coffee, the basket has to do a lot more work, and so that's literally what's happening here.
当您使用正确研磨的咖啡时,萃取机不必增加太多阻力,如果您使用的是预磨咖啡,萃取机必须做更多的工
,所以这就是这里发生的事情。