toothed ring的意思|示意
美 / tu:θt riŋ /
英 / tuθt rɪŋ /
齿环
toothed ring相关例句
Annulus and toothed ring were arranged alternately , that is propitious to press , sheare and grind.
圆环、齿环交替排列, 更有利于对物料的冲击、剪切及研磨.
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