To improve efficiency and veracity of soil sampling in testing bulk density, the cutting ring method and in situ soil tube method were combined and a multi-segment in situ soil sampler was designed.
为了提高土壤容重测定中土样采集的效率和精准性，将环刀法和原状取土管法结合，进行了分段式原状取土器的研制。
Soil is sampled with a core sampler.
土壤的采样使用芯形采样器。
The disturbance of soil sample varies according to diameter of sampler.
不同直径的取土器对取样扰动的影响程度不同；
应用推荐