2019-11-12 09:59:55
sawchina
|
焊接程序不要求時(shí)焊工的鑒定考試規范-鋁及其合金的TIG或MIG
BS 4872-2-1976 Specification for approval testing of welders when welding procedure approval is not required - TIG or MIG welding of aluminium and its alloys 下載地址:
鏈接:https://pan.baidu.com/s/14rTzyEuUllNq7pBNUTMD-A |
底部分享通欄