124-1 DISCONTINUITIES AND DEFECTS ตอนที่ 5
ที่มา : The Staff of Hobart Institute of Welding Technology. (2010). DISCONTINUITIES AND DEFECTS. Hobart Institute of Welding Technology, 400 Trade Square East, Troy, Ohio, U.S.A.
124-1 DISCONTINUITIES AND DEFECTS ตอนที่ 5
ที่มา : The Staff of Hobart Institute of Welding Technology. (2010). DISCONTINUITIES AND DEFECTS. Hobart Institute of Welding Technology, 400 Trade Square East, Troy, Ohio, U.S.A.
124-1 DISCONTINUITIES AND DEFECTS ตอนที่ 4
ที่มา : The Staff of Hobart Institute of Welding Technology. (2010). DISCONTINUITIES AND DEFECTS. Hobart Institute of Welding Technology, 400 Trade Square East, Troy, Ohio, U.S.A.
124-1 DISCONTINUITIES AND DEFECTS ตอนที่ 3
ที่มา : The Staff of Hobart Institute of Welding Technology. (2010). DISCONTINUITIES AND DEFECTS. Hobart Institute of Welding Technology, 400 Trade Square East, Troy, Ohio, U.S.A.
ที่มา : The Staff of Hobart Institute of Welding Technology. (2010). DISCONTINUITIES AND DEFECTS. Hobart Institute of Welding Technology, 400 Trade Square East, Troy, Ohio, U.S.A.