1. 对油、腐蚀性液体、易燃粉尘等环境及户外需要遮阳的场所,应选用有盖无孔型托盘（槽式桥架、金属线槽、封闭桥架）。

1. For environments such as oil, corrosive liquids, flammable dust, and outdoor areas that require shading, covered and non perforated trays (trough type cable trays, metal cable trays, enclosed cable trays) should be selected.

2. 在洁净环境或线缆需要频繁引入、引出的场所,宜选用网格式金属电缆托盘（网格桥架）。

2. In clean environments or places where cables need to be frequently introduced and led out, it is advisable to use grid format metal cable trays (grid trays).

3. 除了以上特殊环境,一般可选择有孔托盘、无孔托盘或梯架。户外场所宜带有盖板。

3. In addition to the special environments mentioned above, perforated trays, non perforated trays, or ladders can generally be selected. Outdoor places should have cover plates.

4. 垂直敷设时应选用梯架或有电缆绑扎带的托盘。

When laying vertically, ladders or trays with cable ties should be selected.

5.公共通道或户外跨越道路段,底层宜采用托盘或梯架底部加防护板。

5. For public passages or outdoor crossing road sections, the bottom layer should use pallets or ladder frames with protective boards added at the bottom.

6. 腐蚀环境应选用抗蚀型号,或做防腐处理。

6. For corrosive environments, corrosion-resistant models should be selected or anti-corrosion treatment should be applied.

7. 绿色施工应选用产品和工艺。

7. Green construction should use environmentally friendly products and processes.

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