Electronic Height Limit Alarm System of Highway Bridge Culvert Automobile ( Ⅰ) ———principle and essential requirements of electronic height limit alarm device
Liu Changsheng
Forest Engineering ›› 2011, Vol. 0 ›› Issue (4) : 42-45.
Electronic Height Limit Alarm System of Highway Bridge Culvert Automobile ( Ⅰ) ———principle and essential requirements of electronic height limit alarm device
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