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单词
screw anchor
释义
screw anchor
screw anchor
An anchor (similar to an expansion bolt) having a metal shell with a screw along its central axis; when the shell is placed in a hole and the screw is driven in, the shell expands, tightly securing the anchor in the hole.
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bhea
bheac
bhec
bhecm
bhecol
bhecu
bhed
bheer
bheestie
bheesty
bhef
bhei
bhel
bhel puri
bhelpuri
bhem
b hemolysis
b-hemolytic streptococci
bhen
bhep
bhepa
bherc
bheri zonal hospital
b-hert
bhert
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更新时间:2025/6/22 3:58:12