a service entrance的用法和样例：
- This is not so.It is evident from the marketing material that I have studied that certain German SPD manufacturers infer or state that a service entrance requires a Class 1 tested device.
- a service elevator; the service entrance.
- An address that usually tells a processor to use a service routine.
- To dedicate solemnly to a service or goal.
- Payment in return for something, such as a service.
- Is there a service charge for the checking account?