Cov txheej txheem tiv thaiv tub sab nyiag rau lub tog raj kheej xauv

Qib kev ruaj ntseg ntawm kev tiv thaiv tub sab nyiag yog muab faib ua qib A, qib B, thiab qib C raws li cov qauv hauv tebchaws.
1. A-theem lock core, tiv thaiv kev qhib rau ntau dua lossis sib npaug rau 1 feeb, tiv thaiv drilling rau Ntau dua lossis sib npaug rau 10 feeb, tiv thaiv sawing rau Ntau dua lossis sib npaug li 5 feeb, tiv thaiv prying rau ntau dua lossis sib npaug. 10 feeb, tiv thaiv rub rau Ntau dua lossis sib npaug li 10 feeb, thiab tiv thaiv kev cuam tshuam rau Ntau dua lossis sib npaug li 10 feeb.
2. B-chav kawm xauv tub ntxhais, tiv thaiv kev qhib rau ntau dua los yog sib npaug rau 5 feeb, anti drilling rau ntau tshaj los yog sib npaug rau 15 feeb, anti sawing rau ntau tshaj los yog sib npaug rau 5 feeb, anti prying rau ntau tshaj los yog sib npaug rau 15 feeb, tiv thaiv rub rau Ntau dua lossis sib npaug li 15 feeb, thiab tiv thaiv kev cuam tshuam rau Ntau dua lossis sib npaug li 15 feeb.
3. C-theem lock core, tiv thaiv kev qhib rau ntau dua los yog sib npaug rau 10 feeb, anti drilling rau ntau tshaj los yog sib npaug rau 30 feeb, anti sawing rau ntau tshaj los yog sib npaug rau 30 feeb, anti prying rau ntau tshaj los yog sib npaug rau 30 feeb, tiv thaiv rub rau Ntau dua lossis sib npaug li 30 feeb, thiab tiv thaiv kev cuam tshuam rau Ntau dua lossis sib npaug li 30 feeb.
Qeb:
Qib A: Tus yuam sij yog tiaj tus los yog crescent zoo li tus, nrog ib kab ntawm concave qhov tseem ceeb ntawm ib los yog ob sab los yog convex qhov tseem ceeb ntawm tag nrho plaub sab nyob rau hauv ib tug ntoo khaub lig zoo li;
B-theem: Tus yuam sij yog tiaj tus lossis crescent zoo li tus, nrog ob kab ntawm concave qhov tseem ceeb lossis cylindrical multi-point concave qhov tseem ceeb ntawm ib lossis ob sab;
C-theem: Tus yuam sij yog tiaj tus, nrog ob kab ntawm concave S-zoo li tus qhov tseem ceeb ntawm ib los yog ob sab, los yog ob tug nab zoo li lub qhov tseem ceeb ntawm sab hauv thiab sab nraud.