A sharp hand shovel for digging out roots and weeds.

Putting the ballad and proverb into a specific time background is to restore a modern outlook of Wuhan city life, show the cultural connotation of the city; on the other hand digging some function, expanding some research value.

将谣谚放入具体的时代背景，一方面还原近代武汉城市生活的面貌、展现城市文化内涵；另一方面挖掘谣谚的功能，扩大谣谚研究价值。

Hand Digging of Bridge Pile Foundation

浅谈桥梁桩基人工挖孔

It's dry work digging in the sun.

在烈日下掘土的工作使人感到口渴。

Design of a Bionic Ditch Digger Study on the Technology Laying Drain Pipe With Pad

仿生式开沟机设计理论的研究排水管垫块法施工技术研讨

Development and Appliance of Ditch Digger in Crop Plot Test

农作物小区试验开沟器的研制与应用

Compute and analysis of groundwork bearing capacity for jet underwater ditch digger

喷射式水下挖沟机地基承载力计算分析

Computing and analyzing the reliability of ditch digger under many loads, such as the pull, the drag of ocean current and the edaphic drag.

计算分析了挖沟机在受到牵引力、海流力、土壤阻力等多种载荷作用下的可靠性。

He said to the hole digger, I appreciate how hard you work, but what are you doing?

他对掘洞的人说：「对于你那困难的工作我深怀感激，不过你在做什麽呢？

Study of screw auger parameters of mounted hole digger on the basis of MATLAB

基于MATLAB挖坑机螺旋钻头参数的研究

The theory evaluation and the experimental verification of the special pair of hole digger flexural vibration

挖坑机弯曲振动特征对的理论计算与实验验证

Regular Patterns of Loading Distribution of Auger Face for Mounted Hole Digger

悬挂式挖坑机钻头螺旋面载荷分布规律初探

The Measuring Method Screw Auger Load of Mounted Hole Digger

悬挂式挖坑机螺旋钻头载荷测试方法的研究

Dynamic Analysis of Torsional Vibration for a Hole Digger

挖坑机扭转振动特征对的动力学分析

Optimal Control of Lateral Vibration Dynamic System for A Bit of Hole Digger

一类挖坑机械钻头横向振动系统的最优控制问题

Parameters Optimization and Experiments of Potato Digger Blade Based on Computer Simulation

基于计算机模拟的挖掘铲参数优化与试验分析

Kinematic Analysis of a Bionic Trench Digger during Out of Soil Virtual Experiment Study of the Cutter of Orchard Chain-type Trencher

仿生式开沟机出土过程的运动学分析果园链式开沟机刀片的虚拟试验研究

The distance traversed in such a movement. Kinematic Analysis of a Bionic Trench Digger during Out of Soil

行程运动中所经过的距离仿生式开沟机出土过程的运动学分析

Design of Chain Ditcher with New Mineral Ditching Chain Kinematic Analysis of a Bionic Trench Digger during Out of Soil

基于新型刀式矿土复合型开沟链的链式开沟机设计仿生式开沟机出土过程的运动学分析

New Road Side Trench Digger

新型公路边沟清挖机

Regression of Digestible Energy Evaluation of Pig Feeds

猪饲料消化能的间接评定