四油缸系统设计，使设备体积更小，举升力更大。
Four cylinder system, volume smaller, with more capability of lifting.
优化后的举升机构，有较好的举升力系数曲线和油压特性曲线。
The lifting mechanism after optimization features better characteristics curves of lift force factor and hydraulic pressure.
厢体有簸箕形和矩形两种，具有强度高、举升力强、不变机能好等特点。
Carriage body has dustpan shape and rectangle shape. It has such advantages as high strength, strong lift and stable performance etc.
现场实验证明，单点提升力和罐壁受力点的应力状况直接关系到油罐举升的安全。
In the field tests, it has been proved that the safety of oil tank lifting is closely correlative with the lifting force and the stress status at the action point.
现场实验证明，单点提升力和罐壁受力点的应力状况直接关系到油罐举升的安全。
In the field tests, it has been proved that the safety of oil tank lifting is closely correlative with the lifting force and the stress status at the action point.
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