英文: Member must answer for the activity and safety for the guest that you lead to. And you must answer for all of the damnify
that your guest made.
中文: 会员需对所带客人的行为及安全负责，并对其造成的损失负全部责任。 更详细...
英文: The article adopts theories such as stress-focus to calculate the structures stress; the assembly stress and the product conditions are the keystones of production; whether expediently replace glass in the field and damnify
framework are considered in ser