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Submarine operation
Submarine operation
Submarines submerge and surface by changing the average density of the hull.
Grades 3 – 12
کلیدواژهها
موزالينک
/لينک وب
Submarines submerge and surface by changing the average density of the hull.
Grades 3 – 12
کلیدواژهها
موزالينک
/لينک وب