槽式桥架、托盘式桥架、铝合金桥架和网格式桥架。

Trough type bridge, tray type bridge, aluminum alloy bridge, and mesh type bridge.

槽式桥架和托盘式桥架的区别：

The difference between trough bridge and tray bridge:

槽式电缆桥架与金属托盘电缆桥架是大多能够铺设电线电缆，横断面、结构形式不一样罢了。封闭式的金属线槽、无盖的拖盘也有梯架都归属于电缆桥架，三种电缆桥架的结构形式不一样，一些性能也是有差别，例如防护性以槽式比较好、梯架较差，但自然通风制冷性却反过来。

Both trough cable trays and metal tray cable trays are capable of laying wires and cables, with different cross-sectional and structural forms. Enclosed metal cable trays, uncovered trays, and ladders are all classified as cable trays. The structural forms of the three types of cable trays are different, and some of their performance also varies. For example, the protection is better in the tray type than in the ladder type, but the natural ventilation cooling performance is the opposite.

槽式电缆桥架的优势在于屏蔽和防腐，主要适用于铺设截面小但是数量却多的电线电缆;而托盘式缆桥架优势在于载荷大和散热好，主要就是用于铺设截面大但是数量比较小的电力电缆。

The advantage of trough cable trays lies in shielding and anti-corrosion, mainly suitable for laying wires and cables with small cross-sections but large quantities; The advantage of tray type cable trays lies in their high load capacity and good heat dissipation, mainly used for laying power cables with large cross-sections but relatively small quantities.

从外形来看，槽式电缆桥架是一种全封闭型电缆桥架。托盘桥架一般指的是有孔的槽式桥架。由于开了散热孔，托盘式桥架板材的厚度要更厚些。

From the appearance, the trough cable tray is a fully enclosed cable tray. Tray trays generally refer to perforated trough trays. Due to the opening of heat dissipation holes, the thickness of the tray type bridge board needs to be thicker.

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