trunnion是什么意思音标:英 ['trʌnjən]美 ['trʌnjən]

n. 炮耳, 枢轴, 耳轴
[化] 枢轴

n. A cypndrical projection on each side of a piece, whether
gun, mortar, or howitzer, serving to support it on the cheeks of the
carriage. See Illust. of Cannon.
n. A gudgeon on each side of an oscillating steam cypnder,
to support it. It is usually tubular, to convey steam.