Message in Chinese (Simplified) (中文(简体))
活动“<var>X</var>”中的 Request 属性不能为 null。必须将该属性设置为属于此请求/回复对的 Send 活动。
Unlocalized message
The Request property in activity '<var>X</var>' cannot be null. It must be set to the Send activity that belongs to this request/reply pair.
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