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    Cov khoom

    Cov kabmob koob uas sib dhos ua ke nrog lossis tsis muaj lub nplhaib sab hauv yog cov khoom ua tiav uas muaj lub khob sab nraud uas rub tawm, thiab lub nplhaib sab nraud nrog qhov chaw sab nraud kheej kheej, lub menyuam koob thiab lub tawb sib dhos thiab lub nplhaib sab hauv uas tshem tau. Cov kabmob koob uas sib dhos ua ke muaj lub nplhaib sib tw nrog qhov chaw sab nraud nkhaus thiab lub nplhaib txhawb nqa nkhaus. Yog li ntawd, lawv tuaj yeem them rau qhov tsis sib xws ntawm lub cev ntawm cov kabmob txog li 3 °.
    Kev sib dhos cov kabmob rau cov menyuam: PNA, RPNA
    Lub Npe Qhov ntev (hli) Kev ntsuas qhov hnyav yooj yim
    Fw D C ±0.5 D1 r feeb. dyn. Cr KN stat. Cor KN
    RPNA 15/28 15 28 12 24.5 0.8 6.9 7.9
    RPNA 18/32 18 32 16 27 1.8 12.5 16.2
    RPNA 20/35 20 35 16 30.5 2.8 13 17.5
    RPNA 25/42 25 42 20 36.5 3.8 18.8 30.5
    RPNA 28/44 28 44 20 38.5 4.8 22 34
    RPNA 30/47 30 47 20 42 5.8 22.6 36
    RPNA 35/52 35 52 20 47.5 6.8 24.3 41.5
    RPNA 40/55 40 55 20 50.5 7.8 26 47
    RPNA 45/62 45 62 20 58 8.8 27.5 53
    Lub Npe Qhov ntev (hli) Kev ntsuas qhov hnyav yooj yim
    d F D C ±0.5 B D1 r feeb. r1 feeb. s feeb. dyn. Cr KN stat. Cor KN
    PNA 12/28 12 15 28 12 12 24.5 0.8 0.3 0.5 6.9 7.9
    PNA 15/32 15 18 32 16 16 27 0.8 0.3 0.5 12.5 16.2
    PNA 17/35 17 20 35 16 16 30.5 0.8 0.3 0.5 13 17.5
    PNA 20/42 20 25 42 20 20 36.5 0.8 0.3 0.5 18.8 30.5
    PNA 22/44 22 28 44 20 20 38.5 0.8 0.3 0.5 22 34
    PNA 25/47 25 30 47 20 20 42 0.8 0.3 0.5 22.6 36
    PNA 30/52 30 35 52 20 20 47.5 0.8 0.3 0.5 24.3 41.5
    PNA 35/55 35 40 55 20 20 50.5 0.8 0.3 0.5 26 47
    PNA 40/62 40 45 62 20 20 58 0.8 0.3 0.5 27.5 53
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