| 1. | Thanks to its light weight , itsave time , manpower and equipment during the installation process . itean be erected by a crew of only twoor three people without need for crane or hoist , greatly reducing traffic diversion and resultant costs
因杆身质轻，安装过程中省时、省力、省设备，只需两、三个人就可以使灯杆竖起来，不需要吊车或起重机安装费用低，对交通影响小。 |
