Tam sim no hom qhov rooj xauv rau ntawm kev ua lag luam muaj lo lus ntsuas phoo 67, 17 crescent Lock 8, tsis muaj peev xwm txiav txim siab, cov xauv sib nqus, cov xauv sib nqus me ntsis tau muab faib ua ib qho, B, c peb peb. Chav kawm ib feem yog cov npe hu ua tus tub ntxhais qub qub, tau tsis muaj peev xwm tiv thaiv cov tub ntxhais hluas, qhib sijhawm tsuas yog 1 feeb lossis tsawg dua. Thiab B chav kawm, C chav kawm los tiv thaiv tub sab yog ntau dua li cov chav kawm los tiv thaiv kev siv tshuab los ntawm kev siv thev naus laus zis kuj tseem muaj ntau ntxiv.
Chav Kawm Ib Lub Xauv: Lub xauv tus yuam sij fashioned xauv, tus yuam sij yog hla cov duab tiaj, kuj muaj cov duab crescent, zuaj zawj qhov tseem ceeb. Tus qauv sab hauv ntawm lub ntsuas phoo no yog yooj yim heev, txwv rau kev hloov ntawm tus lej PIN, tus lej Pin yog ob peb thiab ntiav. Phau Ntawv Qhia Tiv Thaiv Tiv Thaiv: Cov ntsuas hluav taws xob no tuaj yeem qhib tau yooj yim nrog ib tus hlau nuv lossis hlau. Tub ceev xwm tau hais tias cov xauv yuav tsum tau txhim kho thiab hloov nrog qib siab dua ntawm kev ua haujlwm ntawm kev ua tub sab.
Chav Kawm BB: tiaj tus lossis crescent puab, tus yuam sij ntau dua li ib qib ntawm concave, candindricical ntau-taw tes concave concave. Qhov tseem ceeb tshaj plaws yog qhov tseem ceeb ntsib ntau ib kab ntawm curregular kab chav nyob, tab sis tam sim no B chav ntsuas phoo tsis txaus, nws txoj kev tiv thaiv thev naus laus zis Tsuas yog 5 feeb lossis li ntawd, tiv thaiv kev cuam tshuam rau lub sijhawm qhib tsuas yog ib nrab ib teev lossis li ntawd. Yog li, Tub ceev xwm yog cov pej xeem los qhia ntxiv.
C xauv: nrog hloov kho thiab hloov kho cov thev naus laus zis ntawm kev lag luam tam sim no, thiab tom qab ntawd qee qhov siab dua c kaw hauv kev lag luam. Txawm li cas los xij, C - Cov Xauv qib tsis tau muaj ntawv pov thawj los ntawm Ministry of Pej Xeem Kev Ruaj Ntseg. Super B chav kawm lub xauv, C chav kawm lub xauv: tus lej tseem ceeb yog ib qho lossis sab hauv thiab sab nraud thiab muaj kev nyab xeeb tshaj plaws Xauv tub ntxhais. Cov cuab yeej tuaj yeem qhib rau ntau tshaj 270 feeb, tshwj xeeb tshaj yog cov tub ntxhais kawm, uas tsis tuaj yeem qhib los ntawm txhua yam.
Lub Sijhawm Post: Plaub-23-2021