Mining the center of the shovel Ⅱ section with the forward direction of the tangent point of the physical property analysis test taken 600; curve segment Ⅲ role is to be beyond the normal planting district of the small probability of peanut plants smooth destined for mining shovels, and therefore mo

Based on analysis of money digging shovel test paragraph II direction center and the tangency point 600 III curve; it is beyond the normal planting area will be the small probability peanut butter smooth stalks to dig out the bucket, so end-point of the wire parallel to axis; Y I curve segment, the

Under real sexual analysis test mining shovel ⅱ segment Center and forward direction tangent angle take 600; curve segment ⅲ role is will beyond normal planting area of small p