marinade th pork, with 1tbs cooking wine, 1/2tsp black pepper, tbs soy sauce, 10min
fry the pork, to become golden brown color both side,
put them together the dried mushroom,pork ribs, ginger, escalions, radish chinese yam,and add 1500 ml of water
put to the high pressure cooker, to become more soft the meat in 45mins