1. Magadzirirwo akasiyana (1) Crane ye cantilever inoumbwa nekoramu, ruoko runotenderera, chikwidzo chemagetsi uye mudziyo wemagetsi. (2) Crane ye balance inoumbwa nematanho mana ekubatanidza tsvimbo, zvigaro zvekutungamira zvakatwasuka uye zvakamira, masirinda emafuta nemidziyo yemagetsi. 2, Bearing...
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