抗日战争时期，日本鬼子还在宜昌，气势汹汹地遥望野山关，就望而生畏不敢前进半步了，更不敢翻越石板岭窥盱陪都重庆了;解放战争时期，横扫千里的刘邓大军滚滚而来，也只能在车坝溪沟里等着，让小分队绕道林木掩映的卡门后面突然袭击，才能破“万夫莫开”之铜关。
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