1.  outer tube
2.  off side piping

• 1. 外管: Outer tube
• 2. 域外管辖权: Extraterritorial Jurisdiction
• 3. 例外管理法: management by exception

更多释义

• 1.采用的外管共挤技术，提高了管材的层间结合强度。
  It adopts outer pipe co - extrude technology, improving the joint stress among layers.
  dict.yoduao.com
• 2.采用的外管共挤技术，提高了管材的层间结合强度。
  It adopts outer pipe co-extrude technology, improving the joint stress among layers.
  dict.yoduao.com
• 3.在相同的情况下，外管出现干涸时的截面含汽率大于内管出现干涸时的截面含汽率。
  Under the same conditions critical qualities in outer tube are always larger than that in inner tube.
  dict.yoduao.com

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