Remove the need to install the protective cover, in order to ensure the large span cable bridge in Ji'nan to play the greatest effect, but also need to pay attention in wiring.

　　①如果安装场所为具有腐蚀性或者是非常潮湿的环境，那么在布线时就必须要根据腐蚀介质的不同来采取相应的防护措施。

　　If the installation site is corrosive or very humid environment, the wiring must be based on the different corrosion media to take appropriate protective measures.

　　②若是将几组济南电缆桥架同时在同一高度进行平整安装的时候，就需要考虑各组济南电缆桥架之间的维护和检修距离。

　　If the sets of Ji'nan cable tray in the same height of smooth installation, we need to consider the maintenance and overhaul of Ji'nan cable bridge the distance between the groups.

　　③在大跨距济南电缆桥架上时可以进行无间距敷设电缆的，电力电缆在桥架内的横断面填充率要在40%以下，而控制电缆则应小于桥架横断面积的一半。

　　In the large span cable bridge on Ji'nan can be gapless cable, power cable cross-section in the bridge filling rate to below 40%, while the control cable should be less than half of the cross-sectional area of the bridge.

　　④安装大跨距济南电缆桥架的时候不能安装在具有腐蚀性气体管道以及热力管道的上方，在腐蚀性液体管道的下方也不能直接安装济南电缆桥架，若是必须如此的话则应做好防护和隔热措施。

　　When the installation of large span cable bridge in Ji'nan cannot be installed above the corrosive gas pipeline and heating pipelines, under corrosive liquids pipeline cannot be directly installed in Ji'nan cable tray, so it must be if it should do the protection and insulation measures.

　　您的满意，是我们的追求，让我们携手共创二十一世纪美好明天！我们公司将一如既往的珍视客户的厚爱和信任，永远追求服务品质，书写让客户满意的答卷。

　　Your satisfaction is our pursuit, let us join hands in creating a better tomorrow in twenty-first Century! Our company will be as in the past cherished customers love and trust, the pursuit of perfect quality of service forever, let customer satisfaction report writing.