转鼓式渗出器diffuser: diffuser, diffusor n. ...revolving: adj. 回转的;周转性的;旋转(式)的,轮转式的;循环 ...drum: n. =drumlin. revolving drum: 回转筒; 转动鼓轮; 转鼓; 转筒drum-type revolving ring: 鼓轮式旋转架下载手机词典可随时随地查词查翻译