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单词
hourglass worm gears
释义
hourglass worm gears
网络
蜗杆副
网络释义
1.
蜗杆副
1765 年英国人亨德利(Hindley)首次提出并做成了第一对著名的 Handily 环面
蜗杆副
(
Hourglass Worm Gears
)。1925 年,美国 …
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photosource of neutrons
photospaliation
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photosphere
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photospot
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Point-of-Care Systems
point of center
point of certainty
point of change
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更新时间:2025/8/19 13:16:58