Attached is the sales contract with the UPC numbers. Please be sure and add the check digit for 4404.

The Influence Factor and Related Question about Excavation of Deep Digging by Pre splitting Blasting

预裂爆破开挖深路堑时的影响因素及相关问题

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Preliminary Study on the High Yielding Cultural Technique System of Surface Ploughing and Deep Digging for Soybean

大豆浅翻深松高产栽培技术体系的初步研究

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Researching Situation and Prospect of Deep Digging Tools for Mechanized Protective Tillage

机械化保护性耕作深松机具的研究现状与展望

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Effect of Deep Digging and Fertilizer Application on the Growth of Moso Bamboo

毛竹低产林深翻施肥效应研究

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The relationship between the digging force at bucket tooth and boundary conditions art critical values. These are the basis for internal force analysis of exca-v ator.

斗齿处挖掘阻力同各边界条件处于临界值的关系，这些是进行挖掘机内力分析的基础。

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Analysis and calculation of instantaneous theoretical digging power at bucket teeth end of hydraulic excavator-loader

普通液压挖掘装载机斗齿尖瞬时理论挖掘功率分析计算

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A digging fork is also good to have on hand.

挖掘交岔路口，也是一件好事，对手。

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When the digging depth is greater than 34~ 36 meters in slight weathering hard rock or 28~ 30 meters in soft nature rock or in serious weathering hard nature rock, the tunnel scheme should be considered.

当微、弱风化硬质岩石挖深超过34～36米，软质岩石或强风化硬质岩石挖深超过28～30米时，可考察采用隧道方案的技术可行性。

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The results show that the maximum elastic specific energy in the wall of coal roadway is almost directly proportional to the square of digging depth and almost inverse proportional to the elastic modulus.

结果表明，煤层巷道两帮煤体中弹性比能的最大值与采深的平方近似成正比，与其弹性模量近似成反比。

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The optimum parameters of the shovel, the influences of plane obliquity, working speed, digging depth and breadth of the shovel on the digging resistance were analyzed respectively.

分析了挖掘铲的铲面倾角、工作速度、挖掘深度、铲面宽度等因素对挖掘铲工作阻力的影响，以寻求最佳的工作参数。

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At present, hidden interviewed by journalists digging depth and timely information has become common practice.

时下，隐性采访已成为新闻记者挖掘深度新闻和时效新闻的常用手段。

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At last the base of the cliff is undermined. The frozen ground will have to be picked up by hand before machine digging can begin.

岩壁的下壁终于被掘空。这冻土必须挖过后才能用掘土机掘土。

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A sharp hand shovel for digging out roots and weeds.

挖除根茎或杂草的尖端的手铲。

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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。

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Hand Digging of Bridge Pile Foundation

浅谈桥梁桩基人工挖孔

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It's dry work digging in the sun.

在烈日下掘土的工作使人感到口渴。

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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

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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

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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

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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。

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