單項選擇題

交通工程中車輛監(jiān)控系統(tǒng)線圈的規(guī)格為()。

A.1800mm(長)×2200mm(寬)
B.2000mm(長)×2400mm(寬)
C.1200mm(長)×2400mm(寬)
D.1200mm(長)×3400mm(寬)

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