基本解釋凸焊機(jī)英漢例句雙語例句It is analyzed that electrode surface sticks dirty spot unevenly and electric field varies irregularly during welding the phosphorized weldment by 3-phase DC projection welder secondary rectification.分析了三相次級整流凸焊表面磷化構(gòu)件時，產(chǎn)生電極表面不均勻粘污，從而引起電流場發(fā)生畸變的原因。projection welder更多例句專業(yè)釋義經(jīng)濟(jì)學(xué)凸焊機(jī)