以下哪些描述符合服务规范常用语的要求Which is polite for ser

“我们公司就是这么规定的”"This is the rule of my company."

“好的，我们马上就去做”"OK, I will do it right now."

“为了确保设备的稳定运行，请根据规范要求进行操作”"Please operate according to the standard to ensure the equipment can run steadily."

“您可以与我们签订维护协议，以便我们为您提供及时、周到的服务”"You may sign a maintenance agreement with us so we can provide you with timely and considerate service."