1) Single cavity expansion silencer
单腔扩张式消声器
2) expanded-muffler
扩张式消声器
1.
3-Demension acoustic software-Sysnoise and CFD software-Fluent is used to analyse transmission loss and resistance loss of expanded-muffler and perforated muffler with large porosity.
使用三维声学软件Sysnoise和CFD软件Fluent,对比分析简单扩张式消声器与大穿孔率穿孔管消声器的传递损失与阻力损失。
4) silencer chamber
消声器腔
5) linear structure expension
单极式扩张
6) intrauterine dilator
子宫腔扩张器
补充资料:变换器式频率表(见交换器式电表)
变换器式频率表(见交换器式电表)
transducer type frequency meter
曰‘口,”IuullqISn}P旧iUbloo变换器式颇率表meter)(transdueer tyPe见变换器式电表。frequeney
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条