div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: PowerPoint 프레젠테이션 · 2019-12-19 · PfflPrimary wave SfflSecondary wave ddëIihLove wave PilNëlfflRayleigh wave src=https:reader030fdokumentcomreader030viewer20220406175f220f9f39e83c2ae04a70cchtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: PowerPoint 프레젠테이션 · 2019-12-19 · PfflPrimary wave SfflSecondary wave ddëIihLove wave PilNëlfflRayleigh wave src=https:reader030fdokumentcomreader030viewer20220406175f220f9f39e83c2ae04a70cchtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: PowerPoint 프레젠테이션 · 2019-12-19 · PfflPrimary wave SfflSecondary wave ddëIihLove wave PilNëlfflRayleigh wave src=https:reader030fdokumentcomreader030viewer20220406175f220f9f39e83c2ae04a70cchtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: PowerPoint 프레젠테이션 · 2019-12-19 · PfflPrimary wave SfflSecondary wave ddëIihLove wave PilNëlfflRayleigh wave src=https:reader030fdokumentcomreader030viewer20220406175f220f9f39e83c2ae04a70cchtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: PowerPoint 프레젠테이션 · 2019-12-19 · PfflPrimary wave SfflSecondary wave ddëIihLove wave PilNëlfflRayleigh wave src=https:reader030fdokumentcomreader030viewer20220406175f220f9f39e83c2ae04a70cchtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 6button div class=trans-image amp-img class=trans-thumb alt=Page 6: PowerPoint...