**The picture should meet the following requirements: a drilling map for soil sampling; The drilling map should have the feeling of soil stratification, which is 0-30 meters, 30-70 meters, 70-100 meters or more, and each of these three layers of soil is different; Each layer of drilling tube is also different, the first layer is hydraulic direct push, the second layer is spiral sampling, and the third layer is sonic sampling --s 250 --niji 5** - Image #2 <@1021271904570585119>
The picture should meet the following requirements a drilling map for soil sampling The drilling map should have the feeling of soil stratification, which is 030 meters, 3070 meters, 70100 meters or more, and each of these three layers of soil is different Each layer of drilling tube is also different, the first layer is hydraulic direct push, the second layer is spiral sampling, and the third layer is sonic sampling