transport mixer

And introduce related media transmission protocol RTP ( Realtime Transport Protocol), RTCP ( Realtime Transport Control Protocol) and MGCP ( Media Gateway Control Protocol), as well as MIXER and FOCUS which composition conference, event notification server and policy server etc.

同时介绍相关媒体传输控制协议：实时传输协议RTP、实时传输控制协议RTCP、媒体网关控制协议MGCP。以及组成会议的基本元素中心节点FOCUS、混合器MIXER、事件通知服务器、策略服务器等等。

Warehouse of material ( steel warehouse) For the transport of the base and face mix from the mixer to the storage hoppers of block machine.

材料仓库（钢材库）用于将搅拌好的底料和面料送入成型机的底料仓和面料仓。

It is for transport the batching aggregate to the mixer.

将称重好的骨料送入搅拌机内.