| 单词 | speed indicator |
| 释义 | > as lemmasspeed indicator speed indicator n. ΚΠ 1858 P. L. Simmonds Dict. Trade Products Speed-indicator, a gauge for testing the velocity of steam engines or machines. 1863 A. Young Naut. Dict. (ed. 2) 244 Tyssen's Ship's Log, or Speed Indicator. 1892 Photogr. Ann. II. 341 A roller blind shutter, with outside speed indicator. < as lemmas |
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