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Significats de shear legs en anglès

Wikidata

Form of two-legged lifting device.

        Ús de shear legs en anglès
        1
        First a pair of ' shear legs' was erected on the southern side opposite the place where the railway from Buluwayo ended.
        Chatterbox, 1906
        2
        It had a friction crab hoist driven by an electric motor, both of which were fastened to the derrick frame between the shear legs.
        Concrete Construction: Methods and Costs