单项选择题 According to the characteristic of the Yuan-source point,which point is the most suited one to treat the 肠鸣，abdominal distension,diarrhea 腹泻and vomiting呕吐?

问答题 经典的公主线：将        与         结合起来形成一条纵向分割线。 ______ ______

判断题 FANUC工业机器人的数字IO只能是高电平有效。 正确 错误