By improving extruding die for soft soldering materials with air&oil discharging function,product defects were reduced,and the operation life of die was extended.

 
  • 通過(guò)改進(jìn)軟釬焊材料的擠壓模具,使其具有排氣和排油功能,減少產(chǎn)品夾雜氣體、裹油起皮(或毛刺)等缺陷,延長(cháng)模具的使用壽命。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan