cylindrical cavity是什么意思

用法例句

A set ofmicrowave power heating device was designed,in which the cylinder resonant cavity wasused.

为加速有机和矿物化学试样的溶解、特别设计了一套采用圆筒形谐振腔的微波能加热装置，腔内可同时放置４只密闭容器。