The air feed is provided by a perforatedtube that extends around the electrode.
该空气供给部分由在该电极周围延伸的一根穿孔管子构成。
2
The predicted transmission loss of perforatedtube silencers using the finite element method and experimental results are compared and showed good agreement.
使用有限元法计算穿孔管消声器的传递损失,并与实验测量结果进行了比较,二者吻合良好。
3
A particulate filter cartridge has a woven metal fiber filter medium surrounding a perforated support tube.