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单词 pump-scraper
释义

> as lemmas

pump-scraper
pump-scraper n. Obsolete
ΚΠ
1793 J. H. Röding Englisch-Deutscher Index 124 in Allgemeines Wörterbuch der Marine (1793–8) III Pump-Scraper, ein Pumpenschraper.
1875 E. H. Knight Amer. Mech. Dict. III. 1832/1 Pump-scraper, a round plate used for cleaning out the pump-barrel.
extracted from pumpn.1
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更新时间:2024/9/20 9:06:52