The quality problems of home made brazing filler metals as compared with ones used abroad are analyzed on the basis of testing and supervision results of filler metal last few years.

　
英 美
  • 從近幾年國內釬料質(zhì)量檢測結果出發(fā),分析了國產(chǎn)硬釬料產(chǎn)品質(zhì)量方面存在的問(wèn)題以及與國外同類(lèi)產(chǎn)品相比所存在的差距。
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目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan