div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentmt-vt-nh-dao-dng-diu-ha-theo-mot-qu-dao-thng-di-12-cm-vi-chuhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: ngothoinhiemeduvnngothoinhiemeduvnsitesdefaultfilestolytim_quang_duong_di_va_toc · Môt vât nhó dao dông diêu hòa theo mot quÿ dao thäng dài 12 cm vói chu kì loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentpubreader030viewer20220402075e1a79b1e580b7224363c4f7html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentmt-vt-nh-dao-dng-diu-ha-theo-mot-qu-dao-thng-di-12-cm-vi-chuhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: ngothoinhiemeduvnngothoinhiemeduvnsitesdefaultfilestolytim_quang_duong_di_va_toc · Môt vât nhó dao dông diêu hòa theo mot quÿ dao thäng dài 12 cm vói chu kì loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentpubreader030viewer20220402075e1a79b1e580b7224363c4f7html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentmt-vt-nh-dao-dng-diu-ha-theo-mot-qu-dao-thng-di-12-cm-vi-chuhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: ngothoinhiemeduvnngothoinhiemeduvnsitesdefaultfilestolytim_quang_duong_di_va_toc · Môt vât nhó dao dông diêu hòa theo mot quÿ dao thäng dài 12 cm vói chu kì loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentpubreader030viewer20220402075e1a79b1e580b7224363c4f7html5thumbnails3jpg width=140 height=200 divdiv