1.在工程中擔(dān)任頂和跨的起重升降搬運(yùn)重物作用,受力點(diǎn)可以任意角度。
2.裝有an全搖柄裝置,防 止舉起物由于自重而降落。
3.帶雙重an全升降保護(hù)裝置。1.Designed for repairing the vehicles and lifting objects.2.It has safety handle in case of deadweight-falling.3.Double lifting and falling device for safety.
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