Installs, the work stable reliable, the laying of cable, not to consume the conventional energy source long easily, the service life and so on merits.
安装简便、工作稳定可靠、不敷设电缆、不消耗常规能源，使用寿命长等优点。
Installs, the work stable reliable, the laying of cable, not to consume the conventional energy source long easily, the service life and so on merits.
安装简便、工作稳定可靠、不敷设电缆、不消耗常规能源，使用寿命长等优点。
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