| 单词 |
expansion fastener |
| 释义 |
DictionarySeeexpansion boltexpansion fastener
expansion bolt  expansion bolts An anchoring device having an expandable socket that swells as a bolt is tightened into it; used in masonry walls for attaching timber, etc. |
| 随便看 |
- a shadow of itself
- a shadow of my former self
- a shadow of my old self
- a shadow of myself
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