the strict liability do not equate with fault liability,the balance liability principle transcendes fair liability and embodies a values of social political ethic of distributing justice;

• 过错推定不是一项独立的归责原则,严格责任原则也不能等同于过错责任原则,衡平责任原则超越了公平原则,体现了要求社会分配正义的政治伦理价值取向。