| 单词 | tractional |
| 释义 | > as lemmasˈtractional ˈtractional adj. of or pertaining to traction. ΘΚΠ the world > movement > impelling or driving > pushing and pulling > [adjective] > relating to or used in pulling tractive1615 pully-hauly1820 tractional1877 1877 E. H. Knight Pract. Dict. Mech. at Traction The tractional surface of a driving-wheel is the face of its perimeter. < as lemmas |
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