Cov qib ntawm kab yeeb yog dab tsi?
Cov qhab nia tseem ceeb thiab qib qib ntawm kab yeeb suav nrog:
Cov Qib:
L245/B
L290/X42
L320/X46
L360/X52
L390/X56
L415/X60
L450/X65
Cov Qib:
PSL1
PSL2
Cov kav dej no yog qhov haum rau roj, roj thiab dej thauj hauv cov roj thiab roj kev lag luam. Cov qauv siv tau suav nrog API spec 5L, ISO3183, GB / T {2}} thiab lwm yam.
