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期次9.起重机起升机构最小静力矩的确定……10.起重机机构的新式稠速法············……11.带式翰送机合理槽形的确定·········……真次2 592 22专姐粽述 期次真次1.自动称量··················”·········~·”一112.散状物
Period 9. Determination of the minimum static moment of the hoisting mechanism of the crane ...... 10. New method of thickening of crane mechanism ········································ 11. ····················································· 2 592 22 · · · · · · · · · · · · · · ·