筒贮存器 rotating drum: 球磨机滚筒; 旋转鼓轮; 转筒rotating associative relational store: 旋转相联存储器rotating disk field store: 转盘式场存储器concrete mixer with rotating drum: 滚筒式混凝土搅拌机polcon rotating drum: polcon外流式纤维超滤机下载手机词典可随时随地查词查翻译