土层

• Horizons, as described above, are a simplification .
  上述土层是一种简单划分。
• Bentonite is an expandable three-layer clay mineral .
  皂土是一种可膨胀的土层粘土矿物。
• Irrigation timing is important due to light and rather shallow soils .
  由于土壤轻松，土层又浅，及时灌溉是很重要的。
• This represents a boundary where the water seeps out of the soil into air .
  这个边界是水从土层中渗出进入空气的地方。
• This is a technique whereby land is scraped from above in order to find coal .
  这是削去表面土层来获取煤的一种开采技术。
• We will consider first the case of two-dimensional incompressible steady flow through orthotropic soil .
  我们首先考虑二维不可压缩流体通过正交各向异性土层的定常流动。
• The ground beneath her shifted slightly. she scrambled back, afraid it would give way and throw her down the cliff .
  她感到身下的土层有些松动，急忙往后退了退，以免随着坍落跌进深渊。
• Gravelly - sand over an iron - pan and gravel layer
  沙砾覆于铁质土层与砂砾层之上。
• Transforming model of soil moisture between layers of
  土层土壤湿度的转换关系研究
• Specification for hot applied damp resisting coatings for solums
  土层加热防潮敷层规范