USDCAD：美加在蝙蝠D点反弹，后市看涨
如图
Note
谐波教学（1）：加特利、蝙蝠形态的识别和应用
谐波教学（2）：蝴蝶形态、螃蟹形态的区别和应用
谐波教学（3）：鲨鱼形态、5-0形态的识别和应用
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