Reduction of contact area between cohesive soil and the surface of dredging tools is able to decrease soil adhesion and cutting resistance.
降低粘性土壤对刀齿表面接触面积可以减小土壤对刀齿的粘附和降低刀齿切削土壤的阻力。
2
In dredging Engineering, The underwater soil, cut and mixed with water, is usually sucked and transported to disposal area by a centrifugal slurry pumps.
在疏浚工程中，水下被挖掘的土质与水混合后，通常依靠离心泥泵抽吸并输送至排泥场。
3
The site of Tongguan Kiln covers an area of 0.68 square kilometers, with 46 sites of Gulong Kiln and 19 dredging holes.