钢梁端、无砟无枕梁端、拱桥温度伸缩缝和拱顶处前后各( )m范围内,纵横梁连接处距横梁边缘0.6m范围内不应有钢轨接头,否则应将其

钢梁端、无砟无枕梁端、拱桥温度伸缩缝和拱顶处前后各( )m范围内,纵横梁连接处距横梁边缘0.6m范围内不应有钢轨接头,否则应将其冻结、焊接或铺设长钢轨。

A.0.5

B.1

C.1.5

D.2

正确答案是D