grub screw
词源说明
From a fancied resemblance to a grub (insect larva), both in appearance and in the way that it can go down a hole as if down into a burrow.
释义
名词noun
- 1A headless set screw.
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From a fancied resemblance to a grub (insect larva), both in appearance and in the way that it can go down a hole as if down into a burrow.