我有一个基于ExtJS的UI。我已经知道在ExtJS中，组合框不是一个真正的组合框，而是输入文本字段，下拉框图像和列表的组合。现在我能够识别控件，但我仍然坚持从列表中选择值.Coyuld你请帮我设置“功能货币”的值从下拉列表 请在下面找到HTML源代码
请在下拉列表中的所有这些值中找到下拉组合框中的值列表，我需要选择任何一个值
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