| 1. | The front end is equipped with hydraulic jacks used for grade adjustment .
前瑞安装有液压千斤顶用来调整坡度。 |
| 2. | The micromotion drive unit is a highly refined screw-driven hydraulic jack .
微形传动装置是一个极精制的螺杆用液压作动筒。 |
| 3. | Loading was achieved through a battery of hydraulic jacks acting on a rigid metallic distribution plate .
通过作用于刚性金属垫板上的一组液压千斤顶加载。 |
| 4. | These loads are normally applied by hydraulic jacks acting directly at the point of application of the force .
通常这些荷载是用液压千斤顶直接施加于力的作用。 |
| 5. | Less frequently we apply the load directly to the surface by means of hydraulic jacks and distribution plates .
用液压千斤顶与分布板直接施加荷载于表面的方法较不常用。 |
| 6. | Using hydraulic jacks , the entire building can be raised
水压千斤顶会把整个建筑全盘托起。 |
| 7. | Portable hydraulic jacks for automobiles
汽车用便携式液压千斤顶 |
| 8. | Hydraulic jack for prestressing
预应力用液压千斤顶 |
| 9. | The lifting capacity of this chain hoist ( hydraulic jack , screw jack ) is 5tons
这个吊链（油压千斤顶、螺旋千斤顶）的起重能力为5吨。 |
| 10. | The lifting capacity of this chain hoist ( hydraulic jack , screw jack ) is 5tons
这个吊链（油压千斤顶、螺旋千斤顶）的确是的起重能力为5吨。 |
