oil and gas transportation pipeline

英 美
  • 油气输送管线
  • and conj.和;加;接着;那么
  • gas n.煤气;气体;汽油;空话vt.使吸入毒气;毒(死);给...加汽油vi.空谈;加汽油
  • oil n.油;油画颜料;奉承话v.涂油;溶化;加油
  • pipeline n.管道;管线;渠道v.用管道运输
  • transportation n.运输;运输工具;运输系统
    1. For the micro-alloyed high strength steel alloy of oil and gas pipeline, repairing of the unqualified welds is one of the main working procedures.
      摘要对于微合金高强度钢油气输送管线,不合格焊缝的返修是主要工序之一。