Description
不知道你是否仔细观察过，有的奶粉勺勺子底部有一个小孔，你可知道，奶粉勺底部的小洞有什么用？勺子底部的小孔是用来平衡气压的，通俗地说就是用来通气的。如果没有小孔，舀奶粉的时候，勺子底部就会进入空气，形成一块悬空地带，表面看着是舀了一满勺，实际上底部空了很多，这样奶粉的用量就达不到要求了。同时对于那种沾在奶勺底部很难甩掉的奶粉，更容易倒干净。那勺子底部的小洞会漏掉奶粉吗？可能会漏出一些奶粉，但是与形成的悬空地带相比，绝对更加精准些，而且虽然有小洞的存在，但是奶粉却反倒不容易漏出去，所以不用担心奶粉漏出去导致分量变少。
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