div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=b-vo-nm-hoc-mi-pha-25-gram-bt-ha-cht-chloramin-b-99-clo-hoat-tnhhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: trandeeduvntrandeeduvnupload2023820181025Ke_hoach_cap_hoa_chat_khu_khuan_va · B vào näm hoc mói Pha 25 gram bêt hóa chât Chloramin B 99% clo hoat tính cho 5 lít loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220414225e1fa5dc6ba73c145724b63chtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=b-vo-nm-hoc-mi-pha-25-gram-bt-ha-cht-chloramin-b-99-clo-hoat-tnhhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: trandeeduvntrandeeduvnupload2023820181025Ke_hoach_cap_hoa_chat_khu_khuan_va · B vào näm hoc mói Pha 25 gram bêt hóa chât Chloramin B 99% clo hoat tính cho 5 lít loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220414225e1fa5dc6ba73c145724b63chtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=b-vo-nm-hoc-mi-pha-25-gram-bt-ha-cht-chloramin-b-99-clo-hoat-tnhhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: trandeeduvntrandeeduvnupload2023820181025Ke_hoach_cap_hoa_chat_khu_khuan_va · B vào näm hoc mói Pha 25 gram bêt hóa chât Chloramin B 99% clo hoat tính cho 5 lít loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220414225e1fa5dc6ba73c145724b63chtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=b-vo-nm-hoc-mi-pha-25-gram-bt-ha-cht-chloramin-b-99-clo-hoat-tnhhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: trandeeduvntrandeeduvnupload2023820181025Ke_hoach_cap_hoa_chat_khu_khuan_va · B vào näm hoc mói Pha 25 gram bêt hóa chât Chloramin B 99% clo hoat tính cho 5 lít loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsmxreader033viewer20220414225e1fa5dc6ba73c145724b63chtml5thumbnails4jpg width=140 height=200 divdiv