单词 oxy-arc 释义 oxy-arc|ksk|Also oxyarc.[f. oxy- 2 + arc.]An arc struck in an atmosphere of oxygen between a work-piece and a hollow electrode through which the oxygen is supplied. Usu. attrib.1956A. C. Davies Sci. & Pract. Welding (ed. 4) vi. 349 (hea...