back weld

基本解釋

• 封底焊縫

英漢例句

雙語例句

• The method mainly comprises back welding and front welding.
  該方法主要包括反面焊接、正面焊接。
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• Segmental back welding is adopted for each welding seam to minimize the residual stress and deformation of welding.
  每條焊縫采用分段退焊法，減小焊接殘余應(yīng)力和變形。
• A closed-loop control system with welding current as control parameter is founded to control the width of isothermal line of back-side welding temperature field in TIG welding of thin plate.
  以焊接電流為控制量，研制了薄板鎢極氬弧焊（TIG）背面溫度場等溫線寬度閉環(huán)控制系統(tǒng)，實現(xiàn)了對焊縫背面熔寬和熔透的控制。

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詞組短語

短語

• back step welding 反手焊接;退焊接;逐步退焊法;退焊
• back ward welding 反手焊接;后退焊
• back running welding 封底焊
• back hand welding 反手焊接;后退焊;反向焊接;反向熔焊
• back run welding 封底焊;封四焊

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專業(yè)釋義

機械工程

• 背焊接