基本解釋[交通運(yùn)輸工程]對(duì)接焊夾鉗詞組短語(yǔ)短語(yǔ)butt welding clamping dies 對(duì)焊機(jī)夾頭butt welding dies更多詞組專業(yè)釋義交通運(yùn)輸工程對(duì)接焊夾鉗