在网络的组织结构和话务的流量流向上与地方电信网有较大不同。
It is different from civil telecommunication network in network structure and speech traffic.
结果表明，与对称流向放行方案相比，单进口放行方案在流量不对称系数较大时有一定的优越性。
The result of a case study shows that each phase for an entrance has some priority under high dissymmetry coefficient.
上阀体上装有中轴，旋转控制盘绕中轴转动与上下滑动锥形阀芯换位，实现介质流量、流向控制。
Said rotary control disk rotates around the central axle on upper valve body to exchange position with conic valve core, so allowing medium to flow.
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