tumbler n.平底玻璃杯,一杯的容量,杂...tumbler gear 换向齿轮...tumbler file 圆锉...tumbler switch 翻转开关...tumbler echo box 合调回音箱...tumbler mixer 转鼓混合机...tumbler magnetron 合调磁控管...
交流互动
发表言论