Tus tswv ntawm cov khoom siv raw yog khaws cia tsis ntev los no.Tus nqi ntawm Rosin Ester yog khaws cia. Yog tias koj muaj lus nug tshiab tsis ntev los no, Pls xav tiv tauj peb
Hauv qab no yog daim ntawv qhia uptrend ntawm cov khoom siv raw thiab Rosin Ester
Pics Ib yog qhia txog qhov nce ntawm Turpentine Index
Pic Ob yog qhia txog kev nce siab ntawm Rosin Ester:
Nws yog kwv yees tias tus nqi yuav khaws cia tsis ntev los no. Yog tias koj ceev rau kev txiav txim, Nws yog lub sijhawm zoo tshaj plaws rau kev txiav txim hauv lub sijhawm. Yog tias koj tsis ceev, Pls tos ib lossis ob lub hlis kom zam lub Sijhawm Soaring
