石板路面 meaning in Chinese

flagstone pavement

Even the slate grey stone ground is dry and cracked despite being in close proximity to the river styx
就连灰色石板路面都是干燥破裂的，同冥河很接近。
Pavements constructed with clay , natural stone or concrete pavers - code of practice for the construction of pavements of precast concrete flags or natural stone slabs
用粘土天然石头或混凝土铺路材料建造的路面.预制混凝土板或天然石板路面建造实用规程