缝焊

Based on weld finite element analysis software SYSWeld, the outer shells on air diffuser of an aeroengine augmentor was modelled.

基于焊接有限元分析软件SYSWeld，建立了某型号航空发动机加力燃烧室扩散器外壁的有限元模型，采用双椭球热源模型，模拟了其环缝电弧焊接的过程，得到了焊接温度场、应力场及焊后变形分布的结果并对其进行了定性分析。

A seam of coal bassets.

桥缝焊接；桥线焊

The key technology parameter for industrial production is proposed through systemic experiment research and applied to the practical production, to meet the demands of economic and social development on the pipeline steel for transporting petroleum and natural gas and medium steel plate for building giant ship.

本研究工作正是在这种背景下展开的，即以酒钢&十五&规划中的可用于直缝埋弧焊大口径的管线钢开发和用于大型船板建造的微合金化高强度中厚板质量提高为对象，基于酒钢先进的中厚板生产装备，通过实验室系统研究，提出工业生产的关键技术并推广到实际生产过程，满足我国国民经济和社会发展对石油、天然气输送用管线钢和大型船板建造用中厚钢板的需求，为酒钢的可持续发展开辟一条途径。

The remelting temperature of 1Cr18Ni9Ti stainless steel joint brazed with the nickelbase filler metals is investigated by the use of both the microstructure analysis and the differential thermal analysis.

利用金相试验和差热分析方法，系统地研究了用镍基钎料钎焊1Cr18Ni9Ti时钎缝的重熔温度随钎焊工艺变化的规律。

The research indicate that the performance of brazing joint using Al-Ge-Si brazing filler metal precedes to the one using HL401 brazing filler metal. And the main reason is that brittle compound such as Cu2Al is not appeared in brazing joint.

本研究建立的2090Ce铝锂合金钎缝组织形态成长模型以及母材溶解厚度控制模型对钎料的选择、钎焊工艺参数的选择及接头钎焊间隙的确定等具有重要的参考和指导作用。

At present main products are mattress seam side, automatic machine around the spring, spring knotting machine, heat treatment oven spring, spring-string, wire straightening machine, marks the long arm of sewing machines, fabric applique long arm sewing machines, multi-function copy - Machines, bending machines wire border, the border wire welder, automatic machine Qu spring, mattress deduction for wear, Da Baoji, a charter, mattresses production and use pneumatic tools for hotels, guest houses, supporting the product at the end of a mattress wire Dozens of beds, and other products.

目前主要产品有床垫缝边机，自动绕簧机，弹簧打结机，弹簧热处理烘箱，串簧机，钢丝校直机，长臂商标曲线缝纫机，长臂面料补花缝纫机，多功能拷边机，边框钢丝折弯机，边框钢丝对焊机，自动曲簧机，床垫穿扣机，打包机，开包机，床垫生产用气动工具及为饭店、宾馆配套的产品床垫钢丝底床等几十种产品。

steel pipes at trial production, which were confirmed meeting the GB/T 9711.2 standard by the China National Quality Supervision, Testing and Inspection Center of Oil Tubular Goods.

产品X80 φ1219×27.5直缝埋弧焊管，经国家石油管材质量监督检验中心检验，确认符合GB/T 9711.2-1999《石油天然气输送钢管交货技术条件第2部分：B级钢管》及TSG D7002-2006《压力管道元件型式实验规则》的要求。

The steel plate edging machine,the steel tube forming mill and the mechanical expanding millconsisting of the SAW straight welded tube plant located at Julong Steel Tube Co.

介绍了巨龙钢管有限公司对直缝埋弧焊管机组三大进口设备(钢板铣边机、钢管成型机和机械扩径机)液压元件开展的国产化替代工作。

The main products include sheet metal bending moulding cutting machine, sheet metal machine with accessories, high precision roller track, etc.

主要产品有薄板滚弯成型机械、直缝高频焊管机械、纵剪机械，平板机械及其配套装置，高精度滚珠导轨等。

The customer is concerned about the ability of the straight saw to "manage" more rapid cutting and return of the saw bench for smaller diameter pipe that will be extruded at rates of up to18m/min.

锯片旅行限制客户关注的是能力的直缝埋弧焊&管理&更快速切割和返回的锯台直径较小的管道，将在膨化率高达to18m/min 。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。