2, ginger minced, add balsamic vinegar sugar as a dip.

3. Wash the sea crabs.

4. After the rice cooker boils the water, put the crab belly up and steam on high fire for 15 minutes.

5. Portunus trituberculatus is a common marine crab species in northern China. It's big and full of crab meat. Although it is not as tender as hairy crabs, it is still delicious. Sea crabs are cold, so dipping them in ginger vinegar juice can relieve the cold and remove the fishy smell.