Knuckle-joint high-speed precision xovxwm yog cov khoom siv tseem ceeb heev, uas yog siv dav hauv tshuab, tsheb, hluav taws xob, khoom siv hluav taws xob, hlau pwm, twj paj nruag, khoom siv hauv tsev, teeb pom kev zoo thiab lwm yam lag luam.Nrog kev siv zog ntawm kev hloov pauv thiab nce ...
Nyeem ntxiv