CE Daim Ntawv Pov Thawj Cov Ntawv Muab Cov Khoom Siv CE
CE Daim Ntawv Pov Thawj Cov Ntawv Luam Ntawv Chleride Nqe CE Cov Khoom Siv -cas 20427 - 59 - Tooj 2 Hydroxide Cuh2o2 - Hongyuandetail:
Khoom Qhia:
Phau Ntawv Qhia Yam Khoom Qhia Txog:
Peb pab pawg ntawm kev qhia tshwj xeeb. Cov neeg yuav khoom muaj kev pab ntau, xws li: Roman, Slovenia, Puerto Rico, vim li cas peb tuaj yeem ua cov no? Vim tias: A, peb ua siab ncaj thiab ntseeg tau. Peb cov khoom muaj txiaj ntsig zoo, ntxim nyiam tus nqi, muaj peev xwm txaus thiab zoo meej kev pabcuam. B, peb txoj kev thaj chaw muaj qhov zoo dua. C, ntau hom: Zoo siab tos txais koj qhov kev nug, nws yuav txaus siab heev.



