dynamometer car

名词 n.
中文释义

英文释义

名词 n.
  1. A piece of railway rolling stock used to measure various aspects of a locomotive's performance.
    — Wide open, a 4000 consumed up to 22 tons of coal and 100,000 pounds of water an hour and produced in one authenticated dynamometer-car test 6290 drawbar horsepower at 41.4 miles per hour.

词形变化

dynamometer cars plural
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