天气预报15天查询> 时尚> 鱼雷为什么不会沉

鱼雷为什么不会沉

更新时间: 2021-04-24 04:29:46     

因为鱼雷的浮力是经过严格设计计算出来的,使得鱼雷不会沉下去,以保证鱼雷在水里航行时,但是如果鱼雷没有在射程之内击中目标,动力加浮力正好等于鱼雷的重力,鱼雷的动力耗尽,重力就会大于浮力,鱼雷就会沉入海底。

关键词: 鱼雷 为什么

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-598595/ | 耗时:0.1063 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=598595 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=598595 LIMIT 0,1
select * from tbl_Articles_sphinx where id=598595 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2789737,1801486,2118647,478420,1022679,405494,2075353,1236732,3501051,1142616,2367421,2972345,822822,909558,2567696,1358678,492426,420382,1690183,3075856,1186250,795876,912176,2179357,800665,3442495,960923,2002521,2814007,3141582) ORDER BY field (ArticleID,2789737,1801486,2118647,478420,1022679,405494,2075353,1236732,3501051,1142616,2367421,2972345,822822,909558,2567696,1358678,492426,420382,1690183,3075856,1186250,795876,912176,2179357,800665,3442495,960923,2002521,2814007,3141582)