| 单词 | dust-cap |
| 释义 | > as lemmasdust-cap dust-cap n. a cap (cap n.1 12) to protect something from dust. ΚΠ 1898 Springtime Apr. 103/1 There are..five separate pieces in the dust-cap alone. 1930 Engineering 16 May 647/1 After screwing down the needle valve, disconnecting the pump and screwing on the dust cap, the strut is ready for use. < as lemmas |
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