资料来源 : pyDict

公吨,吨

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Metric ton \Met"ric ton\
   A weight of 1,000 kilograms, or 2,204.6 pounds avoirdupois.

资料来源 : WordNet®

metric ton
     n : a unit of weight equivalent to 1000 kilograms [syn: {MT}, {tonne},
          {t}]