自锁螺母- 螺母丝口内嵌入了一种弹性尼龙物，防止意外松脱。

NYLOC – nut with elastic nylon insert that prevents it from unthreading by accident.

youdao

自锁螺母- 螺母丝口内嵌入了一种弹性尼龙物，防止意外松脱。

NYLOC – nut with elastic nylon insert that prevents it from unthreading by accident.

youdao