Experiment on the best structure parameters of root-cutting shovel for winter wheat
冬小麦断根铲最佳结构参数试验
This paper studies the relief grinding problem of the hob of point contact worm gear drive and puts forward a one-parameter enveloping method to calculate the axial profile of relief grinding wheel.
本文研究了加工经可控曲率修正的蜗轮齿面的滚刀设计问题 ,建立了相应的数学模型 ,并应用计算铲磨蜗轮滚刀刃形曲线的单参数包络法 ,求出铲磨砂轮截形曲线。
shovel v.lift or move(sth)with a shove
（用铲子或铁）铲（某物）
holed by forklift hands
被铲车碰成洞铲车齿洞
He was stoking shovel after shovel.
他在一铲又一铲地加煤。
John shoveled and shoveled, but he didn't seem to make a dent in the pile of sand.
约翰铲了又铲，可他好像并没有把沙子铲了多少。
slotted spatula
ph.1. 煎鱼锅铲
To dig(ground) with a spade.
掘地用铲子挖（地）
groove-cutting chisel
槽刨, 油槽铲(轴承)
reversible steel
双尖松土锄铲, 翻换松土锄铲
draglines and Backhoes
拉铲挖掘机与反铲挖掘机
dig with or as if with a shovel.
用铲或像用铲一样来挖掘。
split-digger blade
开口式挖掘铲，组合式挖掘铲
Development and Application of Bucket Lip Resistant Materials of PH2800XP Excavator
PH2800XP电铲铲唇耐磨材料的研制与应用
Study on the Optimal Track of Automatic Shoveling of Underground LHD
地下铲运机自动铲取最优轨迹的研究
Research in Intelligent Control of Scraper Bucket
对铲运机铲斗进行智能化控制的研究
blade, for earthworking machines, scrapers, coal ploughs or strippers
推土铲，土工作业机器、铲运机、刨煤机或剥离电铲用
The big steam shovel lowered its scoop into the ship and pulled it up with a load of gravel.
那个大汽铲把铲斗放低，伸到船上，铲上一堆小石子。
scoop a hole in the sand
用铲子在沙子上挖洞.
Pick and shovel, a dollar a day.
锄头和铲子, 一天一美元.