999英语网 英语单词
Locknut的音标发音
Locknut
英式发音：[lknt]
美式发音
(noun.) supplementary nut that is screwed down on a primary nut to prevent it from loosening.
整理:罗威娜
(noun.) supplementary nut that is screwed down on a primary nut to prevent it from loosening.
整理:罗威娜