Nyob ruaj ruaj khoom tseg
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Nyob Ruaj Ruaj Txwm Ramp Zoo Nqe
Nyob ruaj ruaj tsa cov chaw nres tsheb loj los ntawm cov chaw nres tsheb hydraulic thiab hluav taws xob tsav. Nws tau nruab nrog ob lub voos kheej kheej kheej. Ib qho yog siv los nqa platform thiab lwm tus yog siv los nqa cov npuaj. Nws siv rau chaw nres tsheb nres tsheb lossis khoom thauj, chaw nres tsheb thauj khoom thiab lwm yam ..