1.  lead
2.  down-lead

• 1. 引线: tail | Leading wire | wire lead
• 2. 穿针引线: Go-between | act as go-between
• 3. 引线标注: LE | dimleader | QLEADER LEADER

更多释义

• 1.科学技术协会发挥了穿针引线的作用。
  The Science and Technology Association served the function of a go-between.
  dict.yoduao.com
• 2.问题是换引线本身有些风险。
  The trouble is that replacing leads is itself risky.
  dict.yoduao.com
• 3.但这也说明有两根可能发生故障的引线。
  But it also means that there is another lead that could potentially go wrong.
  dict.yoduao.com

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