| 释义 |
trunnion/ˈtrʌnjən/n. 1 a supporting cylindrical projection on each side of a cannon or mortar 炮耳(加农炮或迫击炮两边起支撑作用的圆柱形凸出物) 2 a hollow gudgeon supporting a cylinder in a steam engine and giving passage to the steam 耳轴(蒸气机中一种空心的、供蒸气通行的圆形轴柱) [French trognon ‘core, tree trunk’, of unknown origin] |