女高中生高潮娇喘喷水视频

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KN55多層堆焊焊絲

更新:2014-12-12 11:03:45點擊:
  • 產品品牌KN55
  • 產品型號抗耐牌
  • 在線訂購
產品介紹
產 品 說 明
我公司根據耐磨復合板的焊接特點,自行研制開發的耐磨復合板專用明弧藥芯焊絲,焊接后不用清渣,焊接飛濺小,焊后板面平整美觀,焊接效率高,焊絲過渡系數0.9以上.
規格:2.8mm/3.2mm             包裝:200kg/
材質:高碳高鉻合金             硬度:HRC 55-60
 
牌號
C
Mn
Si
Cr
Fe
HRC
KN55
3.0-5.0
0.50-2.50
0.50-2.50
25.0-30.0
Bal.
55-60

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女高中生高潮娇喘喷水视频
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