He said construction of the remaining 30 meters is a critical phase that involves installation of a digital antenna.
他说剩下的30米的兴建是一个关键的步骤，它包括安装数字电视天线。
The original installation receiving antenna, strengthens the signal receptivity.
原装接收天线，加强信号接收能力。
He asked, each building up 2-3 disk installation of satellite antenna.
他要求，每栋建筑物最多安装2 - 3个碟型卫星天线。
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