central seam

基本解釋

Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
焊接板的中心裂紋處于焊縫與熱影響區(qū)之間的熔合區(qū)。
Because the JSF life cycle remains the central piece of a Seam application, there is no retraining period to endure.
因為 JSF 生命周期仍然是 Seam 應(yīng)用程序的中心部分，所以不需要經(jīng)歷一個再訓練時期。
The welding method used was a PC-GMAW process with mixture gases shielding. Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
焊接方法為脈沖熔化極混合氣體保護焊，焊接板的中心裂紋處于焊縫與熱影響區(qū)之間的熔合區(qū)。