double fillet welded joint双面: two-sided; double-edged; dou ...焊缝: soldering seam; weld bead; w ...接口: joggle; nozzle; mouthpiece; ...双面焊缝: double welded joint双机头双面焊接焊缝: double-head both sides welded weld下载手机词典可随时随地查词查翻译
