lining tube meaning in English

衬砌管
内层胶

On - line tube seam annealing unit
直缝焊钢管焊缝退火全套设备
Preliminary standard for protective covers for gasoline fuel line tubing
汽油燃料管保护覆层的预备标准
High frequency induction heating equipment used in on - line tube seam annealing unit
焊管用单管高频感应加热设备
Systemic measure scheme is designed on the basis of product line structure and every component of measuring system is specified . secondly , tube product shape imitating , rolling imitating of on - line tube product , measuring the chord length imitating with ccd and dimension measure arithmetic - circle least square estimation are finished . lastly , according to mentioned dimension measuring method , imitating operation and the result of imitating operation are emphatically analyzed
文章首先介绍了管状产品的生产线结构，根据生产线结构设计了系统检测方案，并详细说明了检测系统各部分的组成；其次对管状产品形状仿真、管状产品在生产线上滚动仿真、线阵ccd检测弦长仿真、尺寸检测算法? ?圆的最小二乘法进行了研究；最后重点对所提出的尺寸检测方法进行仿真计算并对仿真计算结果进行分析。