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单词
jackscrew
释义
WordReference Random House Unabridged Dictionary of American English © 2024
jack•screw
( jak
′
skro̅o̅′),
USA pronunciation
n.
Building
a jack for lifting consisting of a screw steadied by a threaded support and carrying a plate or other part bearing the load. Also called
screw jack.
jack
1
+
screw
1760–70
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更新时间:2025/7/31 21:20:00