Test devices, conditions and methods for nail-holding performance testing under lateral and vertical drawn loads for sheathing panels in light frame construction were introduced.

 
  • 介紹輕型木結構覆板垂直拔出力和平行側向壓力2種握釘力性能的試驗裝置和方法,并進(jìn)行國產(chǎn)人工林落葉松膠合板覆板的握釘力性能試驗。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan