短語詞組短語Weld -pool 熔池;埋弧自動焊weld pool image centroid 熔池圖像質心weld pool centroid 熔池圖weld pool length 熔池長度weld pool resonance 熔池諧振weld pool dynamics 熔池動態(tài)weld pool surface deformation 熔池表面變形weld pool surface 熔池表面weld pool images 熔池圖像 返回 weld pool