Automatic inspection of oil well tubing transverse defects and longitudinal defects is a key means to guarantee the quality of repaired oil well tubing and reduce accidents in oil extraction.
油管是采油工程中的重要构件之一，油管纵、横向缺陷自动检测是保证修复油管质量、减少采油作业事故的关键手段。
Hot rolling is the key factor for controlling transverse thickness difference, especially edge drop, of non - oriented silicon steel.
热轧是控制无取向硅钢成品横截面厚差偏大、尤其是边部减薄显著的关键工序。
The crossing bar is one of the key parts of the bogie. It receives transverse direction, longitudinal direction and vertical load during the running of the vehicle.
交叉拉杆是转向架的关键部件之一，在车辆运行中承受横向、纵向和垂向载荷的共同作用。
The transverse joint is a key technical issue in the construction of high-type bituminous concrete pavement, affects road surface evenness.
横接缝是高等级沥青混凝土路面施工中的一个比较关键性的技术问题，是影响路面平整度的重要因素。
A 3-d isoparametric joint element with spherical surface key grooves of finite thickness is used to simulate transverse joints of arch dam.
采用三维有限厚度带球面键槽接缝单元模拟拱坝横缝，推导了球面键槽的接触物理方程，探讨了球面键槽的最优中心角。
The law of sediment carrying capacity transverse distribution in braided river, which is the one of the key factors to research on the evolution rule of braided river, is presented.
挟沙力沿河宽分布的变化是造成游荡型河道主流频繁摆动的主要原因之一，掌握其变化规律是研究游荡型河流演变规律的关键。
Several key technical problems on the structural design and construction of the impervious core wall in the transverse cofferdams are expounded in this paper.
重点论述了围堰防渗墙结构设计及施工几个主要技术问题。
Several key technical problems on the structural design and construction of the impervious core wall in the transverse cofferdams are expounded in this paper.
重点论述了围堰防渗墙结构设计及施工几个主要技术问题。
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