| 释义 |
sheerlegs
sheerlegs (ˈʃɪəˌlɛɡz) or shearlegsn (Mechanical Engineering) (functioning as singular) a device for lifting heavy weights consisting of two or more spars lashed together at the upper ends from which a lifting tackle is suspended. Also called: shears [C19: variant of shear legs]sheepsfoot roller sheepsfoot roller[′shēps‚fu̇t ‚rōl·ər] (design engineering) A cylindrical steel drum to which knob-headed spikes are fastened; used for compacting earth. Also known as tamping roller. sheepsfoot roller, tamping rollerA self-propelled or towed drum-like roller with projecting studs that penetrate the surface of the ground; used to obtain deep compaction of fill material; esp. effective for compaction of clay soils. (See illustration p. 880.)MedicalSeeshears |