2, if the steamed sea crabs are kept at room temperature and the temperature is around 30 degrees Celsius, they should not be kept open for more than 2 hours.

3. Keep the steamed sea crabs open for 3-4 hours in an environment of about 20 degrees Celsius.

4. For example, steamed sea crabs can be stored in the refrigerator at 3-10 degrees Celsius for 6-8 hours.

5. If stored in the freezer layer, it can be stored for more than 1 month as the temperature is too low for bacteria to multiply.