Americans gathered in bars, living rooms and other places rode an emotional roller coaster, their hopes high on multiple occassions only to be dashed in the end.
美国人聚集在他们的酒吧，起居室和其他地方，就好像坐着情感过山车一样，他们的希望，在很多时候，达到顶点，最后却彻底落空。
Produced in high definition, "Powering the cell" takes viewers on a swooping roller coaster ride through the microscopic machinery of the cell.
这段高清视频让观众如同坐着云霄飞车在细胞内部的微观机构中自由驰骋一般。
Roller pigeons climb high and fast, then roll over and fall just as fast towards the earth.
鹞鸽喜欢飞的又高又快，然后翻着筋斗俯冲向地面。
Steel roller bearing is working in the harsh condition of heavy load, high speed and water washout, etc.
轧辊轴承是在重载荷、高转速、工作环境很恶劣的情况下工作的。
Therefore use high manganese steel slag Raymond grinding milling roller and grinding ring material, to adapt to the steel slag grinding characteristics, has made a good technical effect.
因而钢渣雷蒙磨采用高锰钢磨辊和磨环材料，来适应钢渣的粉磨特性，已经取得良好的技术效果。
Reticulate pattern roller oil supply with high accuracy makes lustering oil uniformly distributed and can control oil mass effectively.
高精度网纹辊供油，上光油均布平整，并可有效控制油量。
Because of containing more sulfur and phosphorus in the steel, and more carbon, high hardness in material of surfacing welding, the pinch roller often turns up hot crack.
夹送辊堆焊时，由于母材的硫、磷含量较高及堆焊材料含碳量高、硬度大，常常产生热裂纹。
Moreover, the thermal behavior of work roller of high stiff wide plate mill was analyzed, the study provide the foundation for researching the thermal deformation of the work roller.
在此基础上对高刚度宽板轧机工作辊的热行为进行了分析，为研究工作辊的热变形提供了依据。
The ge neral fatigue theory of rolling bearings is unable to predict the failure due to skidding and skewing of rolling elements, which often occur in high speed roller bearings.
在高速轻载的工况下，滚子轴承的打滑蹭伤及由于滚子歪斜引起的滚子端面磨损已成为滚子轴承的主要失效原因。
High elasticity is the premise of low hardness for top roller, it can improve instantaneous dynamic circularity, extend the time of the elasticity fatigue resistance, improve yarn forming quality.
胶辊低硬度必须以高弹性为前提，才能提高胶辊瞬时动态圆整度，延长抗弹性疲劳时限，达到稳定、提高纺纱质量的目的。
The high or low of surface temperature of roller and the big or small of steam wastage is decided by the good or bad of steam condensation and draining system of stretch machine.
牵伸机的蒸汽冷凝疏水系统的优劣决定了辊筒表面温度的高低和蒸汽消耗量的大小。
The high pressure roller mill brings still high pressure to bear on the particle beds and makes them destroy inside to numerous tiny cracks.
高压辊磨机是通过对矿石施以静载高压，使其内部受到极大的损伤而产生众多的微裂纹，甚至直接被挤压成更细的粒度。
The roller coaster moved at high speed and we were screaming through the whole ride.
过山车高速地行驶着，在整个过程中我不停地尖叫。
Spindle supported by high precision roller bearings, able to turn precisely.
高精度滚动轴承支承，回转精度高。
The special manufacturing technique makes the roller have the advantage of high intensity, flexibly running, less noise, and so on.
特殊制造技术，使滑轮具有强度高，运行灵活，噪音小等优点。
The effects of RE compound modificator on the mechanical properties and microstructure of high carbon high speed steel used for roller ring were investigated by SEM, EDS and EPMA.
通过扫描电镜、能谱分析仪和电子探针研究了稀土复合变质剂对离心铸造的高碳高速钢轧辊组织和力学性能的影响。
Working condition of roller rings used in finishing roll sector or pre-finishing roll sector of high speed line or rod rolling mill production line is extremely vile.
高速线、棒材热轧生产线的预精轧段和精轧段用轧辊的工作条件十分恶劣。
Proper design of roller cone angle of smooth rolling is the key to obtaining a high accurate wall thickness.
斜轧穿孔机轧辊形状设计十分重要，其中辗轧锥角的正确设计是获得高精度壁厚的关键。
SDS rubber guide roller is one part of the high speed false twisting machine of SDS series imported from England.
SDS导丝胶辊为英国斯克格SDS系列高速纺涤纶长丝假捻机用器材。
Cracks and scale off are main failure forms of high Ni-Cr centrifugal combined casting roller and has great effects on mill production.
分析指出高镍铬离心复合铸造轧辊裂纹、剥落是失效的主要形式，对轧钢生产影响大。
Under high speed lightly loaded conditions, skidding damage often becomes one of the main damage forms for cylindrical roller bearings while surface roughness has great effect on skidding damage.
在高速和轻载工况条件下，打滑擦伤往往成为圆柱滚子轴承的主要失效形式，而表面粗糙度对轴承打滑损伤有很大的影响。
The compression-expansion properties of particle beds are the basis for studying the mechanism of the high pressure roller mill.
物料的压缩—反弹特性是研究高压辊磨机动力学的基础。
Use high voltage gas-free spraying or roller coat to deal with the cleanness and roughness of the surface. And paint a coat with epoxy closed primary coat paint.
在处理清洁、平整的砼表面，采用高压无气喷涂或辊涂，环氧封闭底涂料一道。
Finally, the results of stiffness analysis and experiments completed on a high-speed cylindrical roller bearing were given in the paper.
结合具体的高速圆柱滚子轴承给出了刚度分析结果及其与实测结果的比较。
The complex forces on cage of the high - speed cylindrical roller bearing has been analyzed, and the collision dynamics model and dynamics motion equation of the cage have been set up.
分析了高速滚子轴承中保持架的复杂受力，建立了保持架的碰撞动力学模型和保持架的动力学运动方程。
A kind of measuring method and corresponding measuring instrument for measuring cone shaft and cone sleeve of the high-speed wire rolling mill's roller are introduced.
介绍了一种检测高速线材轧机轧辊锥轴与锥套锥度的检测方法以及相应的锥体锥度检测仪。
In high speed wire-rod mill, guide roller is the main consumption tool, excellent wear resistance, adhering steel resistance and hot fatigue resistance are required.
导辊是高速线材轧机上的主要消耗工具，要求高耐磨性、抗粘钢性和热疲劳抗力。
Roller-compacted revetment with high backfilling thick ness has been widely used in water conservancy works, public works and bank protection for port engineering.
碾压堆石体在高回填的港口护岸、水利堤防、市政建设项目中得到广泛应用。
With toughness, high strength and corrosion resistance, the stainless steel blade is applicable to the stone roller in the press section and the hard rubber roller (stone-like roller).
不锈钢刮刀具有韧性，硬度较高，耐腐蚀。适用于压榨部的石辊，硬质橡胶辊（仿石辊）。
With toughness, high strength and corrosion resistance, the stainless steel blade is applicable to the stone roller in the press section and the hard rubber roller (stone-like roller).
不锈钢刮刀具有韧性，硬度较高，耐腐蚀。适用于压榨部的石辊，硬质橡胶辊（仿石辊）。
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