A.點(diǎn)式列控系統(tǒng) B.CTCS-1列控系統(tǒng) C.CTCS-2列控系統(tǒng) D.CTCS-3列控系統(tǒng)
A.200km/hB.250km/hC.300km/hD.350km/h
A.16.9 B.14.7 C.20.2 D.19.1