[義式] 關於拉花浮在液面時的流狀?
想請教大家關於拉花在液面的流狀
看了不少日本的拉花影片很細緻
融合完之後 輕輕倒下去 就會有一"條" 奶泡緩緩的向前流
http://i.imgur.com/nIlEtlz.jpg

可是我輕輕倒 奶泡卻是像同心圓狀擴散
http://i.imgur.com/wDOclWC.jpg

請問倒出來想要有一條緩緩流出去是需要什麼技巧嗎?
還是只要奶泡打的非常非常稀倒下去就會這樣了?
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