【旧物】"飞鱼牌"手摇机械计算器加减乘法操作演示(曾在"两弹一星"时期广泛使用)_哔哩哔哩_bilibili

Name: %E3%80%90%E6%97%A7%E7%89%A9%E3%80%91%22%E9%A3%9E%E9%B1%BC%E7%89%8C%22%E6%89%8B%E6%91%87%E6%9C%BA%E6%A2%B0%E8%AE%A1%E7%AE%97%E5%99%A8%E5%8A%A0%E5%87%8F%E4%B9%98%E6%B3%95%E6%93%8D%E4%BD%9C%E6%BC%94%E7%A4%BA(%E6%9B%BE%E5%9C%A8%22%E4%B8%A4%E5%BC%B9%E4%B8%80%E6%98%9F%22%E6%97%B6%E6%9C%9F%E5%B9%BF%E6%B3%9B%E4%BD%BF%E7%94%A8)
Uploaded: 2024-05-22T04:05:24.985Z