(a) Plumbing a short ventilation pipe connected to a trap or valve in a drainage system; (b) Aeronautics a pipe out of which compressed air is…
| 单词 | θ61697 |
| 释义 | the world > physical sensation > cleanness and dirtiness > sanitation > provision of sewers > [noun] > sewer > ventilating pipe (1) puff pipe1894 (a) Plumbing a short ventilation pipe connected to a trap or valve in a drainage system; (b) Aeronautics a pipe out of which compressed air is… |
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