RT Book, Whole SR Electronic DC OPAC T1 Key Technologies of Intelligentized Welding Manufacturing Welding Arc Acoustic Sensing and Monitoring Technology A1 Lv, Na FD 2020 K1 Mechanical Engineering - General PB Springer Singapore NO 書誌ID=EB00665372; LK [E Book]https://link.springer.com/10.1007/978-981-15-2002-0