Heavy-duty hollow rotary platform yog ib qho kev ua haujlwm zoo heev, nws muaj lub hollow spindle thiab load kev txhawb nqa qauv, muaj cov qauv yooj yim, yooj yim rau siv thiab tswj, nyob rau hauv ntau yam yog dav siv nyob rau hauv ntau yam kev lag luam, xws li: tshuaj, Petroleum, hlau thiab hlau, hluav taws xob ...
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