基本解釋收縮嘴英漢例句雙語例句Substituting double electrode for normal tungsten and substituting spherical constricting nozzle for normal cone one are the key to design the torch.用球面壓縮噴嘴取代常規(guī)的錐形壓縮噴嘴，這些是設(shè)計反極性弱等離子弧粉末堆焊槍的關(guān)鍵所在。constricting nozzle更多例句詞組短語短語arc constricting nozzle 電弧壓縮噴嘴constricting nozzle更多詞組專業(yè)釋義機(jī)械工程收縮嘴壓縮噴嘴