A technique called "remote radio-head" involves shifting radio equipment from the cabin to the top of the mast, where it is cooled naturally.
名为“remote radio - head”的技术就包括将信号设备从小屋中移到天线竿的顶端，在那里设备可以自然冷却。
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This article describes the process, equipment, operating performance and pontes for attention for adding heater and protective device for traditional low-pressure shifting furnace.