基本解釋[機(jī)] 縱向電阻縫焊詞組短語(yǔ)短語(yǔ)longitudinal impedance resistance seam welding 縱向電阻縫焊longitudinal resistance seam welding更多詞組專業(yè)釋義機(jī)械工程縱向電阻縫焊