英语词汇“trunnion”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

trunnion

/ˈtrʌnjən

noun

1A pin or pivot forming one of a pair on which something is supported.The introduction of trunnions, the pivots in the middle of the barrel permitting it to move independently of the carriage, was a simple but important development....

The main frame of this machine is fitted at its base with trunnions, which work in a foundation plate.
Although the compass carries no maker's marks, it is designed to fit across the transit's trunnions and has a pin that fits a hole on the transit.

1.1A supporting cylindrical projection on each side of a cannon or mortar.The gun is fitted with a trunnion mounted telescopic sight for direct firing up to 3,000m....

As with the machine-gun platform, the turntable and trunnions are intact, but the gun itself is missing.
The barrel and breech have been salvaged, so all that remains at the top are a pair of trunnions.

Origin

Early 17th century: from French trognon 'core, tree trunk', of unknown origin.

单词	trunnion
释义	trunnion /ˈtrʌnjən / noun 1A pin or pivot forming one of a pair on which something is supported.The introduction of trunnions, the pivots in the middle of the barrel permitting it to move independently of the carriage, was a simple but important development.... The main frame of this machine is fitted at its base with trunnions, which work in a foundation plate. Although the compass carries no maker's marks, it is designed to fit across the transit's trunnions and has a pin that fits a hole on the transit. 1.1A supporting cylindrical projection on each side of a cannon or mortar.The gun is fitted with a trunnion mounted telescopic sight for direct firing up to 3,000m.... As with the machine-gun platform, the turntable and trunnions are intact, but the gun itself is missing. The barrel and breech have been salvaged, so all that remains at the top are a pair of trunnions. Origin Early 17th century: from French trognon 'core, tree trunk', of unknown origin.
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