1) resonant silencer
共振式消声器
2) two-stage and parallel-connection structure
共振腔消声器
1.
Taking the two low frequency crest noise as noise control objects,a re- sonator muffler with two-stage and parallel-connection structure is designed.
以这两个低频噪声成分为控制目标,设计了一个双级并联结构的共振腔消声器。
3) resonator type muffler
共振型消声器
4) resonant type muffler
共振式哨声器
5) Reed bore muffler
亥姆霍兹共振消声器
6) acoustic resonator
声共振器
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