... longitudinally polarized geophone 轴向偏振拾波器 longitudinally welded 纵焊的 longitudinally-welded pipe 直缝焊接管 ...
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... longitudinal load 纵向载荷 longitudinally welded 纵向焊接 looping-in wiring system 环状接线方式 ...
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The accumulator is a strip storing unit in the longitudinally welded pipe and formed section production.
套 是高频直缝焊管生产线和冷弯型钢生产线中的储料装置。
Furthermore, to meet the needs from market, it is helpful to reconstruct the existing longitudinally welded tubing mill in our country.
为满足市场对复合管的需求，对于我国直缝焊管机组改造有借鉴作用。
The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
介绍了一种快速分析高频直缝焊管焊接质量的方法——酸洗试验。
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