flush weldweld machined flush焊缝: soldering seam; weld bead; w ...flush削平焊缝: flush weld/ weld machined平焊缝: downhand weld; flat weld; flush weld对接平焊缝: butt weld in the flat position角焊缝平焊: flat position welding of fillet weld; ing of fillet weld下载手机词典可随时随地查词查翻译