Roller Track-hom khib
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Roller Track-hom khib
Cov menyuam taug kev-hom khib yog tsim los ntawm cov menyuam taug kev, cov menyuam, cov kab ncaj nraim, kab hlaws, khi pas nrig, swb rail, cov rooj sib tham thiab qee cov khoom siv tiv thaiv, xa cov khoom los ntawm siab kawg mus rau qis kawg los ntawm cov menyuam nrog qee qhov siab sib txawv. , thiab ua kom cov khoom swb los ntawm lawv tus kheej lub ntiajteb txawj nqus, thiaj li ua tiav cov haujlwm "ua ntej hauv thawj qhov tawm (FIFO)".
