岛国经典毛片在线观看_亚洲第一偷拍91精品_欧美日产国产激情二区三区_国产精品一区成人精品五月

<b id="aclfv"></b>

行業(yè)標(biāo)準(zhǔn)

標(biāo)題		作者	發(fā)表時(shí)間	閱讀數(shù)	回帖	最后回帖
	BS EN ISO 15609-3：2004金屬焊接工藝的規(guī)范和驗(yàn)收焊接工藝規(guī)范第3部分：電子束焊.pdf	孫輝	11-07 10:39	2391	0
	BS EN 1597-1-1997 焊熔.試驗(yàn)方法 .鋼,鎳和鎳合金中所有焊接金屬試樣用試驗(yàn)片.pdf	孫輝	11-04 17:15	2230	0
	BS EN 15614-2007Protective clothing for firefighters —Laboratory test methods and performance requirements for wildland clothing.pdf	孫輝	11-04 17:14	1781	0
	AS NZS 1554.1-2000 structural steel welding part 1 welding of steel structures.pdf	孫輝	11-04 17:12	1759	0
	AS 1858.1-2003 Electrodes and fluxes for submerged-arc welding.pdf	孫輝	11-04 14:08	1802	0
	BS 1723-4-1988 Brazing.Part 4 Methods for specifying brazing procedure&operator approval testing.pdf	孫輝	11-04 14:06	1891	0
	BS 1723-3-1988 Brazing -Part 3 Methods for non-destructive and destructive testing.pdf	孫輝	11-04 10:54	1715	0
	BS 1723-2-1986 釬焊.第2部分釬焊指南.pdf	孫輝	11-04 10:30	1956	0
	BS 1723-1-1986釬焊.第1部分釬焊規(guī)范.pdf	孫輝	11-04 09:56	2388	0
	AS NZS 1554.5-2004 Structural Steel Welding Part 5 Welding of Steel Structures Subject to High Levels of Fatigue Loading.pdf	孫輝	11-04 09:52	1925	0
	BS EN 1011-2-2001 焊接焊接金屬材料的推薦第2部分：鐵素體鋼的弧焊Welding - Recommendations for welding of metallic materials - Arc welding of ferritic steels.pdf	孫輝	11-04 09:47	1735	0
	BS EN 1011-1-1998 焊接焊接金屬材料的推薦第1部分：電弧焊接的一般說明Welding - Recommendations for welding of metallic materials - General guidance for arc welding.pdf	孫輝	11-04 09:41	1563	0
11/20

底部分享通欄

關(guān)于我們

產(chǎn)品分類

應(yīng)用演示

焊接學(xué)院

客戶服務(wù)

在線客服
關(guān)注微信

- 業(yè)務(wù)咨詢
- 人才招聘
- 售后咨詢
掃一掃關(guān)注微信