drum shell ring  汽包筒节

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

shell-to-shell distance  容器外壳间距离

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

Accumulator Drum  储纱鼓

AG drum  美加仑桶

agitation drum  搅拌筒

air drum  储气筒; 气筒

air-drum  气筒; 气鼓; 储气器; 空气收集器

anchor handling drum  操锚钢丝绳滚筒