dual drum vibration mode  双筒振动模式

front drum vibration motor  前鼓轮振动马达

screw drum vibration cutting  螺旋滚筒式振动切削

single drum vibration mode  单鼓振动模式

vibration drum selector switch  振动鼓轮选择器开关

vibration deicing drum  振动除冰滚筒

cutting drum of coal drum shearer  采煤机滚筒

Transferring drum and rubbing drum  转鼓与搓动鼓

Turning drum and twisting drum mechanism  转鼓搓动鼓机构

stochastic vibration， random vibration  随机振动

vibration dissipation vibration isolation  消振隔振理论

3-drum building machine  三鼓成型机

6-face Rotating Drum  六面折射转鼓

A Brief Analysis of Zhao Ji’s Snare Drum Works  赵纪小鼓作品浅析

a drum-shaped rattle  拨浪鼓

a new eight-corner drum mixing device  新型八角鼓混药机

a small drum for marking time  板鼓

A Study in Da Yue of Xi’an Gu Yue Drum Music  西安鼓乐中的大乐

absorber drum  吸收控制鼓