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- Li Xiaoyan, Liu Lianyou, Gong Jiadong, Wang Jianhua. Influence of Gravel Mulch on Soil Erosion by Wind and Trapping Capacity of Windblown Sediment. Journal of Arid Environments (accepted). 刘连友，王建华，王小雁等，耕作土壤可蚀性颗粒风洞模拟测定，科学通报，1998，43（15）。
- Moisture Storage Effect of Gravel Mulch with Different Grain Size on Watermelon field 砂田西瓜不同粒径砂砾石覆盖的水分效应研究
- Keywords blown sand hazard control;check sand breaks;block sand barriers;gravel mulch;mechanism; 风沙危害防治;格状沙障;阻沙栅栏;直立植物;砾石覆盖;物理学机理;
- My father scratched gravel for Shanghai last night. 我父亲昨晚匆匆忙忙去了上海。
- The road is covered with gravel. 这路用砾石铺成。
- We bumped up and down along the gravel path. 我们沿砾石小路颠簸而行。
- sand.and gravel mulch 砂石覆盖
- The gravel ingredient of concrete. 石碴组成混凝土的砂料
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- Gravel mulch 砂田
- The workers mixed the asphalt with sand and gravel together. 工人们把沥青和沙子、石块混合在一起。
- The car bumped on the uneven surface of the gravel road. 汽车在高低不平的砾石路面上颠簸着。
- To cover or surround with mulch. 覆盖用覆盖层覆盖或包围
- A loose mulch acts on the surface as an insulator. 疏松的覆盖物在土壤表面起了隔热的作用。
- I used stable muck as a mulch for my roses. 我用厩肥做我玫瑰的护根。
- Organic mulch contains nutrients for plants. 有机农地膜含有植被的营养成分。
- His old car bumped down the gravel road. 他那辆老爷车在砾石路上颠簸行驶。
- The best time to add mulch depends on your goal. 最佳的盖农地膜的时机得自己看。
- The gravel was puddling with the mud. 沙砾搅着泥浆。
- The water is infiltrating the gravel bed. 水正渗透进碎石底层。
