表层土 meaning in Chinese
to oil
topsoil
veneer of soil
Examples
- Experimental soil used in this study was from inner mongolia , typical loess sampled from top layer of cultivated soils
试验土样取自于内蒙古清水河地区耕作表层土，是典型的黄绵土，为淡黄色。 - He ordered tons of fertile topsoil to cover the grounds to a depth of five feet and full - grown specimens of the plants were trucked up the mountain for planting
他定购了成吨肥沃的表层土，覆盖地面达5英尺深，把这些植物长好的样品用卡车运到山上种植。 - Formulation of arizona test dust by collecting wind blown topsoil , which required screening and blending , became impractical as larger quantities of test dust were needed
由于试验粉尘的需求量很大，使通过收集由风吹起的表层土来获得亚利桑那试验粉尘的公式变得不切实际。 - This paper first reports the difference of soil algae community makeup , microorganism amount , and soil phosphate activity between leanness soils and richness soils
本篇论文首先进行了贫瘠土壤与肥沃土壤表层土中土壤藻类种群结构、微生物数量以及土壤中三种磷酸酶活性的对比研究。 - In most cases , extracting oil involves chopping down the forest that blankets the region , draining the boggy ground , stripping off the topsoil and literally digging up the oily sand below
在大多数情况下，要从油沙中提炼出石油需要先把覆盖该地区的森林砍掉，排干地面的水分，去掉表层土然后当然就是把地下的油沙挖出来。