短語詞組短語welding g joint 焊接接合welding butter joint 焊接對接接頭fillet -welding-joint 填角焊縫接頭interior angle welding line joint 內(nèi)側(cè)角焊縫接頭riveting and welding composite joint 鉚焊組合接合butt welding joint 對接接頭angle welding joint 角接接頭Transverse Welding Joint 橫向焊縫dissimilar metal welding joint 異種鋼焊接接頭 返回 welding joint