2020/08/03 BTC合约参考
币友们好！
很久没有更新TV了。
好多朋友都空仓微信问怎么开单，
4小时级别提供参考，
很久没有更新TV了。
好多朋友都空仓微信问怎么开单，
4小时级别提供参考，
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