Installs, the work stable reliable, the layingofcable, 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。
2
Firstly, it reduces the cost of infrastructure when compared with the traditional trenching and layingofcable, which in the current economic environment is unsurprisingly popular.
首先，相较于传统的挖掘和铺设线缆，它减少了基础设施的成本，这在目前的经济环境中无疑是非常流行的。
3
Francois Couder, 43, began working at the age of 17 laying underground cable in hazardous conditions for state-run France Telecom. The company has since been privatized.