DVAS Distributor Vacuum Advance Solenoid 分电盘真空提前电磁阀
Research shows that the application of dynamic vibration absorbers (DVAs) can significantly improve the low frequency isolation performance of floating raft system.
浮筏隔振系统是一种广泛应用的减振降噪装置，但它在低频减振方面还存在较大不足。
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