trun·nion 
(trŭnyən)
(trŭnyən)n.
A pin or gudgeon, especially either of two small cylindrical projections on a cannon forming an axis on which it pivots.
[French trognon, stump.]
| 单词 | trunnion |
| 释义 | trun·nion (trŭnyən)n. A pin or gudgeon, especially either of two small cylindrical projections on a cannon forming an axis on which it pivots. [French trognon, stump.] |
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