短語(yǔ)詞組短語(yǔ)hard pressing soldering 用焊料焊接hard soldering alloys 硬釬焊合金;硬焊料合金hard soldering alloy 硬焊合金hard soldering comtrjust ashine 硬焊合金hard soldering meting 硬焊合金soldering hard 硬性焊 返回 hard soldering