| 单词 | revolving drum |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔cement mixer〕A machine, often mounted on a truck, having a revolving drum in which cement, sand, gravel, and water are combined into concrete.水泥搅拌机：一种常装于卡车上的带滚桶的机器，水泥、沙子、石子和水在里面混合搅拌成混凝土美国传统〔drum〕The mixture flows to a revolving drum where the water is filtered out.混合剂流过旋转着的滚筒时水分便从中滤出。牛津高阶 |
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