| 单词 | siphon trap |
| 释义 | > as lemmassiphon trap siphon trap n. ΘΚΠ the world > physical sensation > cleanness and dirtiness > sanitation > provision of sewers > [noun] > sewer > trap > types of well trap1819 bell-trap1867 ball trap1873 siphon trapa1884 pot trap1884 a1884 E. H. Knight Pract. Dict. Mech. Suppl. 788/1 The common siphon trap as used in most sinks and water-closets. < as lemmas |
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