How Do Submarines Dive and Surface?
0
0
3,822 بازدیدها·
10/22/23
که در
Discovery
Modern submarines can dive up to 240 meters below the surface of the water. When the crew is ready to submerge, external ballast tanks that are normally filled with air, open to receive water....
بیشتر نشان بده، اطلاعات بیشتر
0 نظرات
sort مرتب سازی بر اساس
