Design of Soil Nailed Walls 土钉墙的设计
soil nailing design 土钉支护设计
soil nail design calculation 土钉设计算
soil-nailing support design 土钉支护设计
design of soil nailing wall 土钉墙设计
design length of soil-nail 土钉设计长度
soil-and-water conservation design 水土保持设计
COMPUTER-AIDED DESIGN FOR SOIL NAILING 土钉支护方法的计算机辅助设计
That is now being addressed by the design of special fertilisers adapted to African soil.
现今一种为非洲土壤量身定做的特殊肥料配方解决了这个问题。
Salt basins, sand and lava cover much of its 40,000 square miles (103,600 square km), and the soil is so lifeless that NASA can design their Mars ground tests on Atacama land.
大约4万平方英里(103,600平方公里)的地区都被盐盆地，沙地和熔岩所覆盖。因为这里的土壤毫无生命力所以美国国家航空及太空局可以在这个岛上进行火星地面测验。
Salt basins, sand and lava cover much of its 40,000 square miles (103,600 square km), and the soil is so lifeless that NASA can design their Mars ground tests on Atacama land.
大约4万平方英里（103,600平方公里）的地区都被盐盆地，沙地和熔岩所覆盖。 因为这里的土壤毫无生命力所以美国国家航空及太空局可以在这个岛上进行火星地面测验。
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