| 单词 |
overspeed |
| 释义 |
▪ I. ˈoverspeed, n.
[over- 29 b.]
(An instance of) overspeeding.
1914H. Pender Amer. Handbk. Electr. Engineers 1315 Over-Speeds.—All types of rotating machines shall be so constructed that they will safely withstand an over-speed of 25 per cent. 1926J. Kirsopp Use of Power in Colliery Working ii. 156 The entire device prevents overspeed of any description. 1950Sun (Baltimore) 12 Apr. 32/1 The plane, flying at a speed of 135 miles per hour, developed ‘a structural failure due to overspeed’. 1969Power System Protection (Electr. Council) II. ix. 250 The governing system which requires an actual overspeed to produce a response and take corrective action.
▪ II. overˈspeed, v.
[over- 27.]
intr. To drive or operate faster than is permitted or allowed for. So overˈspeeding ppl. a. and vbl. n.
1906Westm. Gaz. 24 Apr. 4/2 The police had been..engaged elsewhere to look out for over-speeding drivers. 1913Collier's 11 Jan. ii. 50/2 There were but three convictions for overspeeding. 1950W. W. Lewis Protection Transmission Syst. against Lightning xi. 367 It is believed that generator overspeeding and loss of load as single factors without solid faults will seldom give rise to dangerous overvoltages. 1971M. Tak Truck Talk 114 Overspeed, to run an engine at an excessive number of revolutions per minute for the gear being used. 1972Lebende Sprachen XVII. 134/2 A turbine undergoing tests at Calder Hall ‘B’ atomic power-station in Cumberland overspeeded last night and exploded. 1974[see overheat v. 2]. |
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