?混凝土车道
... concrete cap 混凝土柱帽 concrete carriageway 混凝土车道 concrete cart 混凝土独轮手推车 ...
混凝土车道
The Highways Agency is replacing the current steel barriers with large concrete blocks which prevent vehicles from crashing through the barrier to the other carriageway and are less likely to require repairs after accidents.
BBC: Gloucestershire
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