查询词典 scraper ring

tree-ring climatology：年轮气候学 tremor 微震

tree ring 年轮 | tree-ring climatology 年轮气候学 tremor 微震 | tropical air fog 热带气团雾

Ring with Cloud Decoration：卷云纹玉环

44 蝌蚪纹玉环 Ring with Tadpole Decorat ion | 45 卷云纹玉环 Ring with Cloud Decoration | 46 出廓风鸟纹小玉璧 Small Disc (bi) with Phoenix Decoration

dust clouds：馨堝

街遊街硫議郡強屓嵶米薦 an out and out reactionary political force | 馨堝 dust clouds | 看症哭仟 bid farewell to the old and usher in the new; ring out the old year and ring in the new

collector ring：集流环

1857 并铆 chain riveting | 1858 集流环 collector ring | 1859 补强环 compensation ring

collector ring brush：集电环电刷

汇流环,集流环,滑环,集电环 collector ring | 集电环电刷 collector ring brush | 集极饱和电压 collector saturation voltage

slip ring, collector ring：集电环

1056.刷握 brush holder | 1057.集电环 slip ring, collector ring | 1058.电刷接头 brush joint

commutative ordinal numbers：交换序数

commutative lie ring 交换李环 | commutative ordinal numbers 交换序数 | commutative ring 交换环

commutative ring：可[交]换环

如果有两种运算,一种叫加法 ,满足交换率和结合率,一种叫乘法,满足结合率,它们之间满足分配率,这种丰富一点 的结构叫做环(Ring),如果环上的乘法满足交换率,就叫可交换环(Commutative Ring).

constriction ring：缩窄环

tetanic contraction 强直性宫缩 | constriction ring 缩窄环 | pathologic retration ring 病理性缩窄环

Ring-down count rate：振铃计数率

Ring-down count 振铃计数 | Ring-down count rate 振铃计数率 | Rinse 清洗

parboiled rice：预煮米

黄豆油,黄豆粉 Soybean Oil, Soybean Meal | 预煮米 Parboiled Rice | 有机壳物 Organic Grains

White melilot：白种甜苜蓿

白花羽扇豆 White lupine | 白種甜苜蓿 White melilot | 白磷礦石 White phosphate