1, in the public channel or field cross aisles sections, the bottom of the bottom step should add plate or in the use of tray. Large span across the public channel, according to the requirements of users can load or choose the frame bridge can improve.
2、大跨度（> 3米），選擇復合材料橋。
2, large span (> 3M) to use composite bridge.
3、現場指選擇環氧樹脂復合材料橋。
3, the field to use complex epoxy resin tray.
4、屏蔽電纜需要打擾防護網或外部（如：有腐蝕液休，易燃粉塵等環境）影響的懇求時，應選用槽式復合型防腐屏蔽電纜橋架（帶蓋）。
4, the need to shield the electrical cable network trouble or protective external (such as: corrosive fluid, combustible dust environment) effects of entreaties, should choose groove type composite anti-corrosion shielding cable tray (Dai Gai).
5、強腐蝕性環境應選用（F）類復合環氧樹脂防腐阻燃型玻璃鋼電纜橋架、牛腿，支架應選擇相同的數據，提高橋梁和使用的配件的使用壽命，電纜橋架在簡單積灰和其它的環境或野外場所宜加蓋板。
5, strong corrosive environment should be selected (F) composite anti-corrosion epoxy resin flame retardant glass steel cable tray, bracket, bracket must use the same data, improve the service life of the bridge and annex, cable trays in simple dust and other environmental or outdoors should cover.
6、除上述情況外，可根據現場還環境及技能要求選用托盤式、槽，階梯，玻璃防腐阻燃電纜橋架或鋼質普通型橋架。在簡單的需要隱瞞污染和其它環境或野生的地方應加蓋板。
鎮江市江天管業制造有限公司專業從事匯線橋架，玻璃鋼橋架，電纜橋架，防腐橋架，鋼網橋架的生產和銷售，是匯線橋架,玻璃鋼橋架,電纜橋架,防腐橋架,鋼網橋架等電纜橋架的生產基地
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