综合比较来看，封闭式支架要优于不封闭支架；马蹄形或方环形支架要比半圆拱等支护形式好。
Compared comprehensively, enclosed supports are better than non-enclosed supports; supports of square annular shape or "u" shape are better than supports of semicircle arch.
本电缆 支架可适应安装于垂直墙面或圆形隧道、马蹄形隧道等各种隧道墙面的需要；
The utility model is suitable for being assembled on a vertical wall face or on various tunnel wall faces such as a round tunnel, and a horseshoe shaped tunnel, etc.
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