短語(yǔ)詞組短語(yǔ)Electric welding melt bead 電焊熔珠welding g bead 焊道welding bead length 焊縫長(zhǎng)度Welding bead subsidence 焊縫塌陷strength of welding bead 焊縫強(qiáng)度welding bead structure 焊縫構(gòu)造bead welding 珠焊;窄焊道焊接;堆焊;焊接工藝pitch bead welding 斜坡堆焊焊箍Bead welding overlaying weld 堆焊 返回 welding bead