a rail forming part of or placed upon a roof, esp. of a road vehicle.
| 单词 | θ201919 |
| 释义 | society > travel > means of travel > a conveyance > vehicle > powered vehicle > parts and equipment of motor vehicles > [noun] > frame or chassis > horizontal frame members (4) roof rail1794 a rail forming part of or placed upon a roof, esp. of a road vehicle. rail1904 A metal bar forming either of the sides of a motor vehicle chassis. Also more fully frame rail. cross-member1922 a strut fastened across the width of the chassis of a motor car, etc. sill1959 The lower horizontal members of the frame of a motor vehicle. |
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