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Значения термина shear legs на английском

Wikidata

Form of two-legged lifting device.

Использование термина shear legs на английском
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