सुण्डा गर्त
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[[Image:Subduction-en.svg|thumb|Oceanic crust is formed at the mid-oceanic ridge

[[Image:Limiting Factor to be prepared for a dive into the Atlantic Ocean.jpg|thumb|Deep Submersible Support Vessel DSSV Pressure Drop
सुण्डा गर्त छगू मू महासागरीय गर्त ख ।