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screw jack造句
1. Parametric design of electromotion screw jack is able to solve such problems. 2. Screw jack: Uses the screw rod or the fluctuation sleeve which impels by the screw rod goes against as the rigidity lifts a hoisting jack. 3. The lifting capacity of this chain hoist ( hydraulic jack, screw jack ) is 5 ton. 4. We can adjust the levelness of the machine by means of shim and screw jack. 5. In order to satisfy the different lifting weight, different lifting height and different lifting speed, we must design a set of hand-pushed and electric screw jack with different size. 6. The lifting capacity of this chain hoist (hydraulic jack, screw jack) is tons. 7. The lifting capacity of this chain hoist ( hydraulic jack, screw jack ) is 5 tons. 8. We can conform the levelness of the machine by means of shim and screw jack. 9. We can choose the levelness of the machine by means of shim and screw jack. 10. In order to solve the alignment problem of steel girder and deck slab bolt hole, the screw jack is designed.