Characteristics of ultrasound, such as strong directional transmission, high vibration intensity in the transmitting medium, and cavitation in liquid medium were introduced.
介绍了超声波具传播方向性强、介质振动强度大、在液体中可产生空化现象等特点。
YZZ vibration flow aiding machine is a newly developed ore drawing device, which is devised on the basis of the theory of autogenuous synchronization and directional vibro excitation.
采用自同步定向激振理论设计，将重力自溜与振动出矿融为一体的YZZ型振动助流器，具有分节组合、大倾角、无侧板的结构特点。
This paper conducted a study on vertical vibration table test of the bi-directional beam string structure of the national gymnasium plane size of 11.
传统的模拟地震振动台试验，由于受振动台台面尺寸的限制，平面尺寸一般不大，作者利用多子台振动台台阵系统对国家体育馆双向张弦梁结构屋盖模型平面尺寸11。
This paper introduces the anti-vibration design, distance-regulation device design and the die design of foaming body in an omni-directional antenna pedestal.
介绍了某全向天线座的抗振设计、距离调节装置设计和发泡体的模具设计。
This paper introduces the anti-vibration design, distance-regulation device design and the die design of foaming body in an omni-directional antenna pedestal.
介绍了某全向天线座的抗振设计、距离调节装置设计和发泡体的模具设计。
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