| 摘要 |
This cart for transportation comprises a main body, upper and lower working tables (4)(3) on the upper side of the frame, wiper motors (7)(7') independently driven and installed at the rear of the frame (2) to connect a battery (10) with a control switch box (14), direction control sensors (11)(11') and an adjusting sensor (12) connected to a control box (13) to be controlled by a rear chip micro computer.
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