Cov saw hlau 20A-1/20B-1 yog ob hom saw hlau uas muaj log, thiab lawv txawv me ntsis xwb. Ntawm lawv, qhov siab ntawm 20A-1 saw hlau yog 25.4 hli, txoj kab uas hla ntawm tus ncej yog 7.95 hli, qhov dav sab hauv yog 7.92 hli, thiab qhov dav sab nraud yog 15.88 hli; thaum qhov siab ntawm 20B-1 saw hlau yog 31.75 hli, thiab txoj kab uas hla ntawm tus ncej yog 10.16 hli, nrog rau qhov dav sab hauv yog 9.40 hli thiab qhov dav sab nraud yog 19.05 hli. Yog li ntawd, thaum xaiv ob txoj saw hlau no, koj yuav tsum xaiv raws li qhov xwm txheej tiag tiag. Yog tias lub zog uas yuav tsum tau xa mus yog me me, qhov ceev yog siab, thiab qhov chaw nqaim, koj tuaj yeem xaiv txoj saw hlau 20A-1; yog tias lub zog uas yuav tsum tau xa mus yog loj, qhov ceev yog qis, thiab qhov chaw txaus, koj tuaj yeem xaiv txoj saw hlau 20B-1.
Lub sijhawm tshaj tawm: Lub Yim Hli-24-2023