However,effect variation of lowering permafrost temperature beneath block-stone embankment is a significant issue after block-stone layer is filled by sand or snow.
试验结果表明,开放状态下块石路基具有较强的强迫对流效应,封闭状态下块石路基强迫对流效应较弱,这一差异导致了开放条件下,块石结构路基下部土体降温效果比封闭条件下要好得多。
rectangular block of clay baked by the sun or in a kiln; used as a building or paving material.
用太阳或干燥炉烘烤的粘土矩形块；用于盖房子或块石面路材料。
a black bituminous material used for paving roads or other areas; usually spread over crushed rock.
用来铺块石面路或其他区域的黑色含沥青的材料；通常覆盖在压碎的石头上。
the surface of a paved roadway.
铺了石块的公路的路面。
the paved surface of a thoroughfare.
大道上铺了石块的路面。
a horizontal surface covered with paving material.
上面铺有石块的水平面。
A massive stone is on the road.
有一块巨石在马路上。
A flat slab of stone used as a paving material.
石板，板石用作铺路材料的扁平的石块
The stone skipped over the water.
石块打着水面漂削而过。
no matter how heavy the rocks above,
不管上面的石块如何重，
a Big rock stuck out of the water.
一大块岩石突出水面。
A stone or row of stones that constitutes a curb.
路缘石构成路缘的一块石头或一排石头
A naturally rounded paving stone.
圆石块自然形成的圆形铺路石头
Pieces of rock plummeted down the mountainside to the ground below.
岩石一块块顺着山的陡坡滚落到地面.
Pieces of rock plummet down the mountainside to the ground below .
岩石一块块顺著山的陡坡滚落到地面。
Piefer of rock plummet down the mountainside to the grind below
岩石一块块顺著山的陡坡滚落到地面
Pieces of rock plummet down the mountainside to the grind below.
岩石一块块顺着山的陡坡滚落到地面。
Reddish pink in colour, with a well-worn surface, the rock, which tilts slightly to the northeast, can seat over1000 men.
与山路相接的是一块可容千人的盘石，石面光滑如削，向东北微倾，颜色呈肉红色。
the uneven surface of a coBBlestone road.
大卵石路不平的路面