混凝土重力坝一般设有数条纵缝。
Concrete gravity DAMS are constructed with multiple longitudinal joints.
利用矩量法对矩形波导宽边纵缝阵列天线进行了理论分析和计算。
Theory analysis and calculation of the rectangular waveguide longitudinal slot arrays are made by using moment method.
介绍了汽车消声器纵缝咬边胀合技术及其咬边芯模机构的设计计算。
Expanding and closing technique of core-die of longitudinal seam occlusion machine for automobile silencer and design calculation of such mechanics have been introduced.
这表明在弹性阶段，文中提出的模型能较好反映纵缝接头的受力状态。
It illustrates that at the elastic stage this model can reflect the loading state of the joint.
混凝土坝工程横缝、纵缝，以及由于各种因素引起的混凝土裂缝是普遍存在的。
Joints such as transverse and longitudinal joints, and cracks caused by all kinds of factors are quite common in concrete DAMS.
本公司还可为用户设计，生产各类纵缝自动焊机，环缝自动焊机等专用焊接设备。
The company can also design and manufacture all kinds of specialized welding machines, such as automatic longitudinal seam welder, circular seam welder etc.
结果表明：使用橡胶改性沥青粘层处理的纵缝性能最好，没有明显裂缝，其次为切削盘。
The result shows that the longitudinal joints performance treated by rubber modified bituminous stick course is best without obvious cracks, the second is cutting wheel.
计算分析表明，只要合理控制浇筑温度，即使不设纵缝，坝体温度应力也能满足设计要求。
The results demonstrate that the thermal stress could meet the design criteria even without longitudinal joints so long as placement temperature is controlled reasonably.
提出了一个用短程线做外板纵缝的外板展开的方法，该方法能为船体建造的施工提供许多方便。
Finally a method of developing hull plates by using short distance lines as 1ongitudinal boundaries is presented, so that ship-building technique can take advantage of the benefits of this method.
目前桥梁拓宽改建中常用的纵缝处理方式有新旧桥梁之间设置纵向断缝、翼缘板刚性连接或铰接。
Setting longitudinal break gaps between the new and the old Bridges and rigid or hinge connected the flange slabs are the usual disposal methods in widen and rebuild Bridges.
小直径超薄壁管纵缝焊接的主要问题是烧穿，解决这个问题的关键是严格控制焊接接头的装配质量及焊接工艺。
Burn through is the main problem of longitudinal seam welding of ultra-thin tube with small diameter. Assembly of the joint and welding technology are the key to solve the problem.
高压锅炉锅筒纵缝焊接时，采用的焊接设备为电渣焊。在不具备电渣焊的情况下用改进的埋弧自动焊成功的替代了电渣焊。
The welding of high pressure boiler longitudinal weld shall be electric slag welding which may be replaced by improved auto-submerged arc welding when have no electric slag welding.
某大坝是混凝土重力坝，根据温控要求，坝体设置1 ~2条纵缝，缝面设置水平键槽，在坝体混凝土达到稳定温度后进行接缝灌浆。
A concrete gravity dam with 1 ~ 2 longitudinal seams and level keyways in seam surface was grouted when the concrete stays a stable temperature.
在此基础上，研制成了一种5自由度的全位置焊接机器人，能对球罐内外纵缝、横缝及仰缝进行无导轨全自动焊接，达到了高效率、高质量、无人实时操作和低劳动强度。
Based on the above research work, an all-position welding robot with 5 degrees of freedom is developed to improve the automatic welding efficiency and quality of spherical tanks.
介绍了超薄壁，大直径，长筒体，纵、环缝自动焊接系统的结构、组成、工作原理及设计的主要特点。
The structure, constitute, working principle, and design feature of automatic welding system which pro- duces extra- thin, large diameter, long tube, and longitudinally or circle weld are introduced.
介绍了超薄壁，大直径，长筒体，纵、环缝自动焊接系统的结构、组成、工作原理及设计的主要特点。
The structure, constitute, working principle, and design feature of automatic welding system which pro- duces extra- thin, large diameter, long tube, and longitudinally or circle weld are introduced.
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