The effects of different granularity proportion and volume fraction of WC grains as wear resistant phase on microstructure and abrasiveness of composite alloy were studied by experiment. The research results were then applied to wear resisting supporting roller and disc pad used in middle speed coal crusher.

Study on Wear Resistance of Composite Alloy Reinforced with Hard Alloy Grains for Coal Crusher

磨煤机用硬质颗粒增强复合合金材料的耐磨性

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Cause of coal crusher motor frequency troubles and its countermeasure

磨煤机电机频繁故障原因分析及对策

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Research on Filling Materials in Back Boards of Gyratory Cone Crusher

旋回、圆锥破碎机衬板充填物的研究

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The paper introduces the work principle and structural features of the imported 5O-65 superclass MK-ⅱ gyratory crusher, and expresses its application in man-made sanding system and existed problems, finally the improving measures are put forward.

介绍了进口50－65超级MK－Ⅱ型旋回破碎机的工作原理和结构特点。阐述了在人工制砂系统中的应用情况及存在问题，并提出了改进措施。

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This paper briefly introduces Neural Networks and by applying Neural Networks on the data of Gyratory Crusher as examples, it analyses and discusses the application of Network in prediction, classification and control on mine equipment.

介绍了Neural Networks技术，并通过其在旋回式破碎机数据上的应用实例，分析和讨论了该Networks在矿山设备的预测、分级及控制方面的应用。

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The Author analyzes the reason for the main shaft breaking witch is the most important part in PXQ1200/ 150A light hydraulic gyratory crusher by actual observation and theoretical analysis.

从实际观察与理论分析两个方面入手，对PXQ1200/150A轻型液压旋回破碎机最重要的部件&主轴的断裂进行分析。

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Analysis of Reasons for Shaft Breaking in PXQ1200/ 150A Light Hydraulic Gyratory Crusher

PXQ1200/150A液压旋回破碎机主轴断裂原因分析

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Double cavity gyratory crusher

双腔回转破碎机&一种新型细碎设备

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This paper is that analyse and inspect the fault of bed in a movable type of shock wave of stone crusher of body outside. Finally, remove the fault successfully.

本文针对一台可移动式冲击波体外碎石机床面故障检修进行分析、检查，最终成功排除故障。

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Repair a Fault of Stone Crusher of Body Outside of Shock Wave of X ray Location

X线定位冲击波体外碎石机故障检修1例

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In order to improve the working life of stone crusher hammers, the good and cheap low-alloy steel hammers were successfully developed through a numbers of productive tests and industrial tests.

为提高石料破碎机锤头的使用寿命，经过多次试验摸索和现场工业性试验，成功研制出价廉物美的低合金钢锤头。

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Mixed asphalt and crushed stone gravel or sand, used for paving or roofing.

树脂，自然沥青某种自然的沥青，如矿石沥青或树脂。

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Outside the car, the pale wash of halogen headlights skimmed over the crushed gravel parkway, the rugged whir of the tires intoning a hypnotic rhythm.

微弱的车前灯掠向公园内的碎砾石路上，车轮随着崎岖的路面上下颠簸着，节奏舒缓的叫人昏昏欲睡。

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The main function of vibration crushed gravel is to squeeze soil, eliminate earthquake liquid and debase liquid grade, it also enhance the property of soil drainage, spread consolidation, improve compressibility and shear strengh.

振动挤密碎石桩在组合型复合地基中主要作用是对土体进行挤密，消除地震液化或降低液化，增加排水性能，加速土体固结，改善土的压缩性和抗剪强度。

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Especially in southwest and northwest and other regions, most of the water conservancy and hydropower projects are built on deep overburden foundation which composed of sand, gravel or crushed gravel.

特别是位于西南、西北等地区的面板堆石坝大多建在砂土、砂砾石或碎石土等组成的深覆盖层地基上。

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The paper mainly introduced the application technology of the pumping high strength concrete ( C60) which takes crushed gravel as coarse aggregate with big fluidity.

本文着重介绍采用以破碎卵石为粗骨料配制大流动性泵送C60混凝土技术应用。

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Temporary access road shall be protected by crushed gravel;

临时通路应铺砌压碎的砂砾，以保护路面；

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The pulp was crushed to extract the juice.

果肉被压碎以榨取果汁。

provided by jukuu

After that, the criminal was made to kneel and place his head on a stone. The elephant crushed the accused's head with his foot.

之后，犯人被要求跪着把自己的脑袋放在石头上，而后被大象用脚踩死。

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The stone crushed the head of a poet. the imposition of a poll tax on voters

石头砸在一个诗人头上。对选举人人头税的课征

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