As the speed of the shear wave of styrene-butadiene rubber (SBR) is lower than other rubbers, it is more suitable for the acoustic baffle material.
英
美
-
雖然SBR橡膠的特性阻抗與海水接近,但經(jīng)過(guò)結構設計,通過(guò)將橡膠的壓縮形變轉換為剪切形變,從而有效降低結構件聲速,可以達到與海水失配的目的。
-
国内精品美女A∨在线播放xuan