I am using an instance of a private class as the state object supplied to a stream.BeginRead operation. (The class is private to my main stream reading/writing class.)
ejinjing.net 开发者_高级运维 2022-04-16 22:06 半升洞码头每天2班到宁波机场的大巴，分别是6：00和10：00发车，票价是65元，车程需要3.5个小时。
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