| 释义 |
roughometer U.S.|rʌˈfɒmɪtə(r)|
[f. rough a. + -o + -meter.]
= profilometer 2 (b).
1926Public Roads VII. 144/2 The roughometer consists of a rack which is attached in a vertical position to the front axle of the vehicle. 1947Daily Progress (Charlottesville, Va.) 20 Mar. 8 (caption) State Highway Department engineers have developed the ‘rough-o-meter’ pictured above to detect some of the tiniest irregularities in the surface of highways. |