| 摘要 |
a tag (5) for transmitting the car information; a decoder (3) for receiving the car information by antenna (4) and sending it to a central processing unit (10); the central processing unit (10) sending the data to a signal processing unit (6) and sending the control signals to a crane moving processor (2); a voice synthesizer (7) which converts the data to voice signal and transmits to a speaker (8); the signal processing unit for displaying the results in an electric display panel (9).
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