With acoustic resonance box and beater.
另附共鸣箱及击槌。
The resonance frequency of cargo boxes on each floor is difference with single cargo of box when household appliance pallet units are in multi-layer stacking.
家电产品的托盘货物单元采用多层堆码时，各层货箱的共振频率不同于单一货箱的。
It is proved by FEM analysis that the proposed shape and structure of the test box can avoid resonance with the model soil.
在选定模型箱结构的外形与构造时，借助有限元分析论证了可不与模型土发生共振的箱体构造；
It is proved by FEM analysis that the proposed shape and structure of the test box can avoid resonance with the model soil.
在选定模型箱结构的外形与构造时，借助有限元分析论证了可不与模型土发生共振的箱体构造；
应用推荐