hex slotted nut是什么意思，hex slotted nut的翻译，hex slotted nut音标、读音、用法和例句_开心英文字典

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hex slotted nut是什么意思，hex slotted nut的翻译，hex slotted nut音标、读音、用法和例句_开心英文字典_柠咚词