Nws yog vim tias tom qab cov roj siv rau hauv cov saw hlau, cov hlau thiab oxygen ntawm cov saw nws tus kheej tau sib cais los ntawm roj, yog li cov txheej txheem ntawm oxidation ntawm hlau hlau ntawm cov saw hlau tau qeeb, yog li nws tsis yooj yim rau xeb.
Vim li cas koj thov siv roj rau hauv lub tsheb kauj vab saw kom tiv thaiv xeb
Sep 18, 2019
Tso lus
Tom qab cov saw hlau tiav lawm
Tom ntej
Koj Tseem Yuav Zoo Li
