船舶通海阀箱超声防污装置的设计与优化
徐兆正,宋庭新,王睿涵
Design and optimization of ultrasonic anti-fouling device for ship sea chests
Zhaozheng XU,Tingxin SONG,Ruihan WANG
图8
杠铃式振动棒的机械等效电路
Fig.8
Mechanical equivalent circuit of barbell-shaped vibration rod