| 单词 | roll bar |
| 释义 | > as lemmasroll bar roll bar n. a strong metal bar fixed over the heads of the occupants of a vehicle (esp. a convertible or one used for racing), to protect them in the event of overturning. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > powered vehicle > parts and equipment of motor vehicles > [noun] > frame or chassis > protection if vehicle overturns roll bar1948 rollover bar1951 1948 W. A. Woron in Hot Rod Mag. Nov. 13/3 Roll Bar , steel bar welded to both longitudinal members of the frame and extending above and behind the driver to protect him in the event of a roll. 1957 Life 29 Apr. 133 In sanctioned meets cars must have roll bars over driver's seat. 1979 Tucson (Arizona) Mag. Mar. 25/1 A removable forward hardtop and a convertible softtop rear window are separated by a Targa-style rollbar. 2000 Business Day (S. Afr.) 27 Jan. i. 4/7 The new vehicles had to be affordable, reliable and convenient for commuters. They must be safe, with rollbars, and comfortable. < as lemmas |
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