The selected point of ① is about 1 prime 3 of the mouth of the cup.
② small traffic injection, quickly pierced crema, steady traffic without hesitation
③ small traffic is injected into the fusion to observe the "whitening point" of the injection.
After the "whitening point" appears in ④, increase the traffic and keep
⑤ maintains an increased flow and shakes the vat left and right, arm and wrist coordination
⑥ is at the selected point when shaking, do not go back.
⑦ to improve the pull vat, small flow straight-line ending.
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