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An exact solution of velocity distribution for Couette shear flow in a non circular conduit with axial symmetry section is obtained in this paper.

从N S方程出发，得到了轴对称异型断面管纯剪切流动速度分布的一般解，进而推出了纯剪切流动有限宽度矩形断面管的速度分布和流量计算公式，证明了库特剪切流是有限宽度矩形断面管当宽度趋向无穷大时的一种特例。

For example, copies a rectangular portion size is 6 inches x 9-inch image design in a picture format, 8.5 inches x 11 inches in the middle of the 印张, when it will be necessary to cut on the four sides are 印张 will be trimmed; but if the image placed in an angle (for example, on the upper-left corner), you just need to cut both ways, thereby saving a membership card after processing time and reduces business card printing and membership card production costs.

例如，将一幅尺寸为6英寸×9英寸的图像设计在一张幅面为8.5英寸×11英寸的印张中间，裁切时就需要对印张的四边都进行裁切；但如果将图像放置在某个角上，就只需要裁切两边即可，从而节约了会员卡制作后加工时间，也降低了制卡和会员卡制作成本。

Copies a rectangular portion size is 6 inches x 9-inch image design in a format to the x 11-inch 8.5 inches, the 印张 will be trimmed when you need to 印张 of four sides are cutting; if placed in a corner, you just need to cut both ways, saving a membership card after processing time and reduces business card printing and membership card production costs.

将一幅尺寸为6英寸x9英寸的图像设计在一张幅面为8.5英寸x11英寸的印张中间，裁切时就需要对印张的四边都进行裁切；如果放置在某个角上，只需要裁切两边即可，节约了会员卡制作后加工时间，降低了制卡和会员卡制作成本。

The first set of tests was that mean stress p was constant while deviator stress q changed; the second set of tests was that q was constant while p changed.

做了2种应力路径下的三轴排水剪切试验：平均应力等于常数、偏应力变化的剪切试验以及偏应力等于常数、平均应力变化的剪切试验。

When using the die-cutting tool, be sure to use industry gently rolling shouder strickle blankets up drop every day in order to maintain an adequate amount of lubricant die-cutting knife at the end of shouder hobber and the stone the roller surface clean, and in both form a thin film to improve die-cutting knife at the end of shouder hobber and rolls of anvil wear resistance.

搁置模切刀时，一不退给对峙搁置厂家供答的滚肩刮拭毛毡，每天进取滴适度润滑油，以保留模切刀滚肩与底砧辊暗不天的肮脏，且在两者间变成一层薄薄的油膜，恶化模切刀滚肩与底砧辊暗不天的耐磨损性能。

But Pertinax was created emperor against the wishes of the soldiers, who, being accustomed to live licentiously under Commodus, could not endure the honest life to which Pertinax wished to reduce them; thus, having given cause for hatred, to which hatred there was added contempt for his old age, he was overthrown at the very beginning of his administration.

但是佩尔蒂纳切被选立为皇帝却是违反军队的意愿的。那些军队在先皇科姆莫多皇帝时代就过惯了放纵的生活。现在佩尔蒂纳切想要约束他们老老实实地生活，他们就受不了，于是怨恨由此而生。加之由于佩尔蒂纳切垂垂老矣，为人所轻视，因此当他执政之始就被消灭掉了。

A-type folds and sheath folds: a-type folds are those whose axis is parallel to the elongation lineation.

a型褶皱和鞘褶皱：a型褶皱是褶皱轴与拉伸线理平行的褶皱，可以由剪切作用直接形成，或是由b型褶皱随着剪切变形的加剧改造而成，一般发育在剪切带的中心部位。

The current market assortmentof sected exesting papermachine,手动型, as well as computer-controlled 全自动型, a knife to cut paper machine and cutting specifications in 52 ~ 150cm.

目前市场上有各种各样的切纸机，既有手动型，也有电脑控制的全自动型，单面刀切纸机的裁切规格多在52～150cm。

Nanjing Lishui Meng wins Daomo Limited of the introduction of high-tech equipment and professional production machinery blades, mold equipment and hardware tools of medium-sized enterprises, is a professional team, the factory has more than 2,000 square meters of factory buildings , Scientific research, development, manufacture and sale in one, with the increasing market demand, our business has been a corresponding expansion of our products according to national standards and standards of production enterprises, strictly in accordance with the ISO9001 quality management system requirements , Complete the processing equipment, a reasonable manufacturing process, improve the detection means strong design capability, to provide high-quality products, the company specializing in the production of various models bending machines, Flap machine, mold and Chongjian, etc. Specifications of plastic spiral Qieli Ji hob, cutting plate machine blade, on paper at the next round Paper knife, the shape of the cardboard boxes with knives, knife type roll, spiral knives, steel rolling knife, thrown knives, plastic models with blades, Cardboard slotted knife-cutter, repair knife edge, high-alloy.

南京溧水猛胜刀模有限公司系引进高新设备与专业生产机械刀片、模具及五金工具设备的中型企业，是一个有专业人员组成的团队，工厂拥有2000多平米的厂房，集科研，开发，制造销售于一体，随着市场需求的不断增加，我们的业务也得到了相应的扩展，我们的产品均按国标及企业标准组织生产，严格按照ISO9001质量体系要求进行管理，齐全的加工设备，合理的制造工艺，完善的检测手段较强的设计能力，为客户提供高质量的产品，本公司专业生产各型号折弯机，折边机，冲剪机等模具及各种规格塑料螺旋切粒机滚刀，剪板机刀片，切纸分纸上下圆刀，各形号纸箱用刀具，横切辊刀，螺旋刀，轧钢刀，甩刀，各型号塑料用刀片，纸板开槽刀，分切刀，修边刀，高合金。

The carton computer proofing machine could complete the cutting、indentation and forming of paper without knife mould and die-cutting machine,so saved lots of accessories and cost of human resource; nevertheless,if the design of the carton is not satisfied, can be modified at any time, as do with the change,begin high-volume production after comfirmed that products meet customers' requirements will help to reduce production waste,but also help your company sales to get orders,supply better customer service.

纸箱纸盒电脑打样机它无需刀模、无需模切机即可完成纸品的模切、压痕、成形，节省大量的刀模、模切机及人力成本；此外，如对设计的盒形不满意，可随时修改，随做随改，确认产品符合客户要求后再进行大批量生产，既有利于减少生产浪费，又可以帮助贵厂业务员争取客户订单，更好地服务客户。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。