div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader039vdocumentsnetreader039viewer20220404195dd11d18d6be591ccb64496ahtml5page1jpg target=_blank img data-url=a-crom-bn-trong-khng-kh-do-c-lp-mng-oxit-bo-v-b-diu-kinhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: kenhtuyensinhcomvn · a Crom bên trong không khí do có lóp màng oxit båo vê b dièu kiên thuðng cromlll oxit là chát rán màu luc thãm c Cromlll hidroxit loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentsnetreader039viewer20220404195dd11d18d6be591ccb64496ahtml5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader039vdocumentsnetreader039viewer20220404195dd11d18d6be591ccb64496ahtml5page2jpg target=_blank img data-url=a-crom-bn-trong-khng-kh-do-c-lp-mng-oxit-bo-v-b-diu-kinhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: kenhtuyensinhcomvn · a Crom bên trong không khí do có lóp màng oxit båo vê b dièu kiên thuðng cromlll oxit là chát rán màu luc thãm c Cromlll hidroxit loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentsnetreader039viewer20220404195dd11d18d6be591ccb64496ahtml5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader039vdocumentsnetreader039viewer20220404195dd11d18d6be591ccb64496ahtml5page3jpg target=_blank img data-url=a-crom-bn-trong-khng-kh-do-c-lp-mng-oxit-bo-v-b-diu-kinhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: kenhtuyensinhcomvn · a Crom bên trong không khí do có lóp màng oxit båo vê b dièu kiên thuðng cromlll oxit là chát rán màu luc thãm c Cromlll hidroxit loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentsnetreader039viewer20220404195dd11d18d6be591ccb64496ahtml5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader039vdocumentsnetreader039viewer20220404195dd11d18d6be591ccb64496ahtml5page4jpg target=_blank img data-url=a-crom-bn-trong-khng-kh-do-c-lp-mng-oxit-bo-v-b-diu-kinhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: kenhtuyensinhcomvn · a Crom bên trong không khí do có lóp màng oxit båo vê b dièu kiên thuðng cromlll oxit là chát rán màu luc thãm c Cromlll hidroxit loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentsnetreader039viewer20220404195dd11d18d6be591ccb64496ahtml5thumbnails4jpg width=140 height=200 adivdiv