sand gravel

基本解释

With the development of economics, more and more buildings choice the sand gravel stratum as the bearing stratum of foundation.
隨著經濟的發展，越來越多的建築選擇以砂卵石層爲基礎持力層。
This paper describes the technique adopted in the construction of the cement-stabilized sand gravel base of the urban roads in the city of Yinchuan.
本文對銀川市城市道路水泥穩定砂礫基層施工技術進行探討。
The variations of flow pattern cause headwater erosion, and the sand gravel extraction will result in comprehensive adjustment of riverbed , affecting riverbed stability.
水流流態變化引起溯源沖刷，進而導致河牀全麪調整，影響河牀穩定。

This plant turns debris from buildings - many destroyed by Israeli air strikes - into sand and gravel that is then turned into cinder blocks for building.

Major activities in the area are agriculture, forest management, sand and gravel extraction, industry (diverse types), and ecotourism.
UNESCO: EDUCATION
Tombolo: accretionary deposit of sand or gravel joining a small islet or rock to a larger island or landmass.
UNESCO: L O S S A R Y
Berm crest: ridge of sand or gravel deposited by wave action on the shore just above the normal high water mark.
UNESCO: L O S S A R Y