The aluminum housing includes a flange on the back of the unit for easy mounting to a flat surface.
铝制外壳，装置后部装有法兰，可轻松安装至平整表面。
2
With the different conditions, reasonably selecting the material, length, diameter and taper of ahead or back blind flange can realize the broadband optimization.
在不同的条件下，通过选择合理的前后盖板材料、长度、直径、锥度，可使换能器的频带宽度得到优化。
3
Flange cup Washers generally have a greater overall height than Back up Washers and therefore the cup portion is deeper.