关于ChannelManager,官方注解:Manages a set of channels, indexed by channel number (1.. _channelMax)。关于ChannelManager,官方注解:Manages a set of channels, i
关于ChannelManager,官方注解:Manages a set of channels, indexed by channel number (1.. _channelMax)。关于ChannelManager,官方注解:Manages a set of channels, i