- one of a pair of coaxial projections attached to opposite sides of a container, cannon, etc, to provide a support about which it can turn in a vertical
| 单词 | trunnion |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 trun•nion (trun′yən),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: trunnion /ˈtrʌnjən/ n
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