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.
随着经济的发展，越来越多的建筑选择以砂卵石层为基础持力层。
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.
本文对银川市城市道路水泥稳定砂砾基层施工技术进行探讨。
The variations of flow pattern cause headwater erosion, and the sand gravel extraction will result in comprehensive adjustment of riverbed , affecting riverbed stability.
水流流态变化引起溯源冲刷，进而导致河床全面调整，影响河床稳定。

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