paving
【建筑】铺砌铁路，平面交叉
paving RAILWAY(S),RAILROAD(S) level crossings
暂无补充释义。
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profilograph road paving (road pavement, road surface)
paving for railroad level crossings
natural stone sett paving
concrete paving mixer
interfitting paving set
sett paving (stone sett paving)
macadam paving