单项选择题
除车长小于等于7m的客车外,应急门的净高应大于等于(),净宽应大于等于()。
A.1250mm;550mm
B.1000mm;550mm
C.1250mm;450mm
D.1000mm;450mm
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单项选择题
A.1250mm;550mm
B.1000mm;550mm
C.1250mm;450mm
D.1000mm;450mm
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