汉英词典
Chinese-English Dictionary
MEANING OF 膛線
膛線 (膛线)
rifling (helical grooves inside the barrel of a gun)
〈名〉枪膛或炮膛内的螺旋形凹凸线,凸起的叫阳线,凹下的叫阴线。作用是使发射出的弹头旋转飞行,以增加射程、命中率和贯穿力。也叫来复线。
táng 线 () xiàn
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