音标：[ˈseifti nʌt] ；

锁紧[安全，保险]螺母

词型变化：名词复数形式 : safety nuts

safety nut的用法和样例：

例句

Screw the nut with the sleeve spanner.用尺寸相应的套筒扳手旋紧螺母。

【近义词】

locknut锁紧螺母

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