英文翻译，谢谢，赶时间

A safe and small auto window wiper has been designed with various solenoid valves, cylinders and programmable controller (PLC). The wiper can creep on the glass curtain wall, cross over any barriers, turning around automatically to clean the wall curtain surface. It looks elegant and works efficiently with highly automation, and can be widely used in building wall and glass wall curtain cleaning, which has been a very hard work before.

Uses many kinds of solenoid valves, the air cylinder and programmable controller (PLC), has designed a security, exquisite scratches the window machine automatically, it can on the glass curtain wall automatic crawling, surmount an obstacle automatically, the autorotation change work direction, scours the contact face automatically. The overall construction elegant appearance, the automaticity is high, can utilize in effectively the now building, solves the tall building outer wall to scour the difficult prob