Synset:locknut
Hypernyms:nut
Inherited Hypernyms:locknutnutblockartifactwholeobjectphysical entityentity
单词 | safety nut |
释义 | Safety Nut nnoun.artifactsupplementary nut that is screwed down on a primary nut to prevent it from loosening Synset:locknut Hypernyms:nut Inherited Hypernyms:locknutnutblockartifactwholeobjectphysical entityentity |
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