Appearance and elimination of defect in welding wire production with wire - accumulated finish drawing machine 積線式精拉機(jī)生產(chǎn)焊絲時(shí)缺陷的產(chǎn)生及消除
Rays with high penetrating power are used to image defects in welds and metal castings 在工業(yè)方面,射線穿透力特強(qiáng),可用作探測(cè)焊接點(diǎn)和金屬鑄件的裂縫。
Rays with high penetrating power are used to image defects in welds and metal castings 在工業(yè)方面,射線穿透力特強(qiáng),可用作探測(cè)焊接點(diǎn)和金屬鑄件的裂縫。
Railway rolling stock . art and resistance welded joints of steels . part 1 : acceptance criteria for defects in welded butt and corner joints 鐵路車輛.鋼的電弧和電阻焊接接頭.第1部分:對(duì)接焊點(diǎn)和角焊接點(diǎn)中缺陷的驗(yàn)收準(zhǔn)則