In this article, we compared and analysed such parameters of polypropylene, polyester, cotton, polyester/ cotton double face knitted fabric, and described the influence caused by materials and fabric construction on properties of fabric.

Application of Double ˉ face Effect Coefficient Method to the Turbogenerator Rotor

双面影响系数法在汽轮发电机转子动平衡中的应用

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Through analysis and practice to bearing ring double face grinding process, the proper methods of grinding wheel adjustment, grinding amount arrangement and product quality control were summarized.

通过对双端面磨削过程的分析和实践，总结出适当的调整砂轮和安排磨削量及控制产品质量的方法。

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Automatic machine tool for turning double end face of the piston pin Car World

车活塞销双端面自动机床

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Research and development of cotton/ bamboo fiber double face fabric

棉竹交织双层面料的研制与开发

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Research Progress of Technology of Double Face Leather

毛革一体工艺技术的研究进展

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Key technique about sheepskin double face

绵羊毛革两用皮关键工艺

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Reasonable choice between the mining methods of single working face and double working face

单双工作面采矿方法的合理选择

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Double-Face Dynamic Balance Method of Spot Rotator without Removing the Test Weights

转子双面现场动平衡的不卸试重平衡法

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Application of Welding Technique of Single Face Welding with Double Face Completion to Large Components of Imported Motor Vehs

单面焊双面成型焊接技术在大型进口汽车部件上的应用

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Through changing rib dimension for turning and rotating speed of grinding wheel spindle and motor and controlling double face dimension for grinding, the technological property of machining is improved to make grinding quality steady, thus product quality is guaranteed and production efficiency is raised.

通过改变车加工挡边尺寸、砂轮轴与电机的转速及控制双端面磨削尺寸，改善了加工工艺性，使磨削质量稳定，保证了产品质量，提高了生产效率。附图1幅，表1个。

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Drum type double face drilling and boring combined machine

转鼓式双面钻镗组合机床

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To traditional single or double face PCB, which is usually of low density, DC platting power source is satisfying.

对于密度较低的单、双面板，采用常用的直流电镀电源即可满足要求。

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Photoelectric tracking system is adopted to ensure the automatic correcting of the double face printing design on the packing bags, precise in counting.

采用光电跟踪系统，自动计数，并保证包装袋双面印刷图案的自动对版。

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The fur side print is suitabe for sheep shearling, domestic rabbit, beaver rabbit, yellow weasel, mink and bedding sack furs, and leather side print is fit in with double face.

毛被印花通常有羊剪绒皮、家兔皮、獭兔皮、黄狼皮、水貂皮及其褥子印花。皮板印花一般指毛革两用皮印花。

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Adopting symmetry welding method of double face and treatment after welding for reducing stress is good manner for remove deformation.

采用双面对称焊法和焊后消除应力处理是解决变形问题的有效方法。

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In severe cold area of Northeast, the stepped reinforcement gabion energy dissipater applied to double face overflow works on weak foundation is first example.

在东北严寒地区，建基为软基且双面过水的工程中应用阶梯式钢筋石笼消能，当属首例。

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The main A-type subduction fault and large scale thin-skinned tectonics clearly reveal that the Yangtze Plate subsides towards Dabie orogenic belt.

鄂皖边界大别南缘主俯冲边界断层的存在以及扬子板块前陆盆地盖层大型薄皮构造，揭示扬子板块向大别造山带之下的A型俯冲。

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The thin-skinned tectonics in the northern fringe of Anhui Lower Yangtse region has typical surficial structures.

安徽下扬子区北缘薄皮构造之表层构造丰富、典型；

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Analysis of the northward thin-skinned nappe structure in the southern margin of North China landmass and the textures of the structural belt in northern Qinling suggests that they all belong to the results from Caledonian orogeny.

通过对华北地块南缘向北的薄皮推覆构造及北秦岭构造带结构、构造特征分析，认为它们同属于加里东期造山作用产物。

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Northward thin-skinned nappe structure in the southern margin of North China landmass and Caledonian orogeny in northern Qinling

华北陆块北缘西段狼山-渣尔泰山裂陷槽西延的地质依据及其意义华北地块南缘向北的薄皮推覆构造及北秦岭加里东造山作用

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