| 单词 | ruling grade |
| 释义 | > as lemmasruling grade ruling grade n. the steepest gradient on a given stretch of track or road. ΚΠ 1840 N.-Y. Spectator 9 Dec. For nine-tenths of the way the ruling grade is below thirty feet. 1900 Engin. Mag. 19 683 The best road the Spaniards built..has a ruling grade of 7 per cent. 2009 Illawarra (Austral.) Mercury (Nexis) 30 May 5 The proposed Maldon-Dombarton line delivers the same ruling grade as the southern route via Summit Tank.., and as a result delivers no real benefit to Pacific National. < as lemmas |
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