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视频简介

子弹经过两百年的科学研究，从一个简单的铅球，变成性能极佳的弹药。科学新发现将介绍子弹的科学，以及子弹如何凭科技的进步，演化为现在的弹药。。A man under the spell of love decides to stay back and start working at the place he had come down for a vacation. He reverts to sending a letter to the woman he had fallen for, but the woman uses the vagueness of the letter to boost her mother's confidence, making her think she has a secret admirer.。