土层

• Anchoring - and - spouting support technology applied to the protection of soil slope
  锚喷支护技术在土层边坡防护中的应用
• They are characterized by high organic matter , under development , thin soil layer
  土壤特点为发育年轻土层薄，具有10
• Effect on carrying capacity of pre - stressed soil anchor about grouting technique
  灌浆工艺对土层预应力锚杆承载力的影响
• Equilibrium model of water quantity in soil applying to soil moisture forecast
  土层水量平衡模型在土壤墒情预报中的应用
• The majority of mites in the soil layer eat small insects or their eggs
  土层中的绝大多数螨虫以小昆虫或它们的卵为食。
• Simulating test study in shallow seam mining under thick soil of the earth ' s surface
  地表厚土层浅埋煤层开采模拟实验研究
• On the wide level acres of the valley the topsoil lay deep and fertile
  在山谷中广袤平坦的大地上，覆盖着厚实肥沃的土层。
• A specific layer of soil or subsoil in a vertical cross section of land
  地层，岩层处于土地的垂直横截面中的某一具体土层或次土层
• Dingy yellow horizon
  暗黄色土层
• Test analysis on strength parameters of saline soil in alternation of freezing and thawing
  冻融循环对含盐土层强度参数影响的试验分析