單項選擇題在用軌道式攤鋪機(jī)進(jìn)行混凝土面層鋪筑時,所用的工字鋼或槽鋼固定在規(guī)格為()的小型枕木上,枕木間距為()。

A.0.5m×0.15m×0.15m;1m
B.0.5m×0.15m×0.15m;0.5m
C.1m×0.15m×0.15m;1m
D.1m×0.15m×0.15m;0.5m