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Kev kub ceev hoisting system
Qhov reciprocating pallet of elevator feem ntau xws li cov khoom tsav tsheb xws li cov tsav tsheb, qhov sib npaug ntawm cov khoom siv sib npaug, cov ncej sab nraud, thiab cov mesh sab nraud.
Qhov reciprocating pallet of elevator feem ntau xws li cov khoom tsav tsheb xws li cov tsav tsheb, qhov sib npaug ntawm cov khoom siv sib npaug, cov ncej sab nraud, thiab cov mesh sab nraud.