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这种卷扬机利用倒链改装,设计牵引力0.8吨,通过滑轮组,吊重3.6吨,试验时吊重4.9吨.
This hoist using chain conversion, the design of traction 0.8 tons, through the pulley group, hanging 3.6 tons, 4.9 tons of test load.