- Category:
- SCM
- Tags:
-
[WORD]
- File Size:
- 4kb
- Update:
- 2014-03-26
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- 0 Times
- Uploaded by:
- 王小红
Description: Traffic light control system, something the green light for several seconds, the yellow light flashes a few times after the red light after red light, red light into green light from the north to south, the north and south to the yellow light flashes several times changed several seconds after the red light something to change the green, so repeat
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